UNITS Step 1

Step 5

Step 4

Step3

Step 2

Step 1

UNIT 4

Step 5

Step 4

Step 3

Ex. 12

Step 2

Ex.1

1) Darwin was born on the 12th of February 1809.

2) His father was a doctor.

3) Darwin became a medical student at Edinburgh University.

4) He got interested in geology and natural science.

5) The expedition on the "Beagle" went to the coast of South America.

6) Darwin died in April 1882.

7) He was buried in Westminster Abbey.

Ex. 4 1) A swallow. 2) White. 3) The pigeon is in the sky. The crows are under the tree. 4) A mouse. 5) The ostrich is running. The parrot is talking. 6) A crow.

Ex. 5 1) the other, 2) the others, 3) the others, 4) the other, 5) the other, 6) another, 7) others, 8) the other, 9) others, 10) the others, 11) another, 12) other, 13) other, 14) the other, 15) the others

Ex. 7 It has been raining

1) for 11 hours in Bonn.

2) for 6 hours in Berlin.

3) for 9 hours in Paris.

4) for an hour in Madrid.

5) for 8 hours in Moscow.

6) for 10 hours in St. Petersburg.

7) for 4 hours in Oslo.

8) for 2 hours in Vienna.

9) for 12 hours in London.

Ex. 8 1) has been drawing, 2) has been working,

3) has been sleeping, 4) have been learning, 5) has been snowing, 6) have been playing, 7) have been living, 8) has been cooking, 9) has been reading, 10) has been teaching

Ex. 9 A. 1 a, 2 a, 3 c, 4 b, 5 с

Ex. 10 l)a nightingale, 2) parrots, 3)a pigeon,

4) a (sea)gull, 5) magpie, 6) a lark, 7) a woodpecker, 8) a swan, 9) an owl

Ex. 11 1) Have you found a job yet? 2) Have you done your homework yet? 3) Have you bought a new mobile yet? 4) Have you visited New Zealand yet? 5) Have you made a successful film yet? 6) Have you found your dog yet? 7) Have you been to a disco yet? 8) Have you seen (met) your friend yet?

Ex. 1 1)...the middle of April to the middle of June. 2)...Ireland, Wales or Scotland. 3)...also during the day. 4)...is not very beautiful. 5)...in the grass.

Ex. 2 1 d, 2 g, 3 b, 4 a, 5 c, 6 f, 7 e, 8 h

Ex. 4 Since when/How long 1) have Mary and Kate been skiing? 2) have the children been learning En­glish? 3) has cousin Fred been staying at /in the hotel/ staying in the sun? 4) have the Robinsons been cook­ing? 5) has Julia been speaking/talking on the tele­phone? 6) have the tourists been doing the museum? 7) has Jack been roller-skating? 8) have the parents been shopping? 9) have the teachers been having tea? 10) has it been snowing?

Ex. 5 1) Victor has been working for an hour and a half. 2) Robert has been watching TV for two hours and a half. 3) Mr Cook has been fishing for 3 hours.

4) Jenny has been lying in the sun for half an hour.

5) The boys have been running for half an hour. 6) The Wenders have been driving for an hour and a half. 7) The children have been playing football for an hour. 8) Jim has been reading a book for half an hour. 9)1 have been waiting for you for an hour.

Ex. 6 1 i, 2 k, 3 d, 4 g, 5 h, 6 a, 7 j, 8 e, 9 b, 10 1,11 f, 12 с

Wild animals: a deer, a kangaroo, an elephant, a rabbit, a hare, a tiger, a squirrel, a wolf, a monkey, a lion

Domestic animals: a sheep, a pig, a horse, a rabbit, a dog

Ex. 9 1 d, 2 a, 3 e, 4 b, с — extra

Ex. 11 1) have been waiting. Я жду тебя 1,5 часа. Почему ты пришёл так поздно? 2) has been living. Дженни живёт здесь с 1960 года. Она всех здесь зна­ет. 3) has been learning. Питер учит испанский всего лишь полгода. У него не очень хорошее произноше­ние. 4) have been building. Роуз со своим мужем стро­ит гараж всё лето и до сих пор его не закончили. 5) have been travelling. Мои родители путешествуют по США уже две недели. Они скоро возвращаются. 6) have been watching. Дети смотрят телевизор уже 1,5 часа. Я думаю повести их на прогулку. 7) has been washing up. Руфь моет посуду с обеда. Все та­релки становятся чистыми.

1) How long have you been doing these exercises? (I have been doing them) for an hour and a half.

2) Since when have you been painting the picture? (I have been painting it) since autumn.

3) How long has she been waiting for her lunch? (She has been waiting for it) for half an hour.

4) Since when have they been growing these plants? (They have been growing them) since May.

5) How long have they been staying in/at this hotel? (They have been staying here) for three days.

Ex. 13 Half an hour, an hour and a half, half an ap­ple, a banana and a half, a month and a half, two weeks and a half, the first (the second) half of a century, three minutes and a half

Ex. 1 Speaker 1 — a giraffe. Speaker 2 — monkeys. Speaker 3 — a lion. Speaker 4 — an elephant. Speaker 5 — a crocodile/an alligator.

Ex. 2 1) George has been doing the flat (the house) for an hour and a half. 2) Greg has been writing for half an hour. 3) Molly and Kate have been skating for two hours and a half. 4) Jenny and Alice have been travelling for two weeks and a half. 5) William and Sam have been learning French for half a year. 6) Frank has been painting the picture since Sunday.

7) Rose has been growing roses since 2004. 8) Mr Rob­inson has been fishing since yesterday.

Ex. 3. 1) Julia has been wearing her shoes since she bought them last summer. 2) Boris has been reading this book since he borrowed it from the library. 3) Chris has been taking pictures since his father gave him the camera. 4) Brian and Mary have been living in this house since they came to town. 5) The Davidsons have been playing the piano since 1999. 6) Bill has been riding his bike since he got it as a birthday present. 7) They have been using the garage since they built it. 8) Jim has been drinking from this cup since I gave it to him two years ago.

Ex. 1 1 a, 2 b, 3 b, 4 b, 5 a, 6 a, 7 a, 8 b, 9 b Ex. 3 1) Mrs Wenders has been a teacher since 2001.2) James has been an astronaut for 10 years.

3) Jim has been a worker since he finished school.

4) William and Bob have been journalists for 3 years.

5) Patrick has been a pilot since 1998. 6) Diana has been a painter for a year and a half.

Ex. 4 1) The Croopers have had their/the house/cot­tage for 3 years. 2) Miss Simpson has had her (the) hat for years. 3) Megan has had her (the) camera since last summer. 4) Harry has had his (the) bike since his par­ents bought it. 5) Alan has had his (the) taperecorder since last summer. 6) Alice has had her (the) mobile for 2 weeks.

Ex. 5 A. 1) Rose Smith has known John Parker for 6 months. 2) Simon has known Alan Wilier all his life.

3) Mrs Parson has known Roland Scott since she visit­ed Britain. 4) Roger Gordon has known Tony Dobson for two years. 5) Miss Hook has known Fanny Devlin for years. 6) Walter has known Sam for 3 days.

B. 1) Roy has always wanted to become a journalist. 2) Sarah has always wanted to learn Spanish. 3)Ann has always wanted to visit Canada. 4) Tom has always wanted to write a poem. 5) Davis and Chris have always wanted to go to the Great Lakes. 6) The Lovedäys have always wanted to move in a new house.

Ex. 6 1 h, 2 a, 3 e, 4 g, 5 d, 6 b, 7 f, 8 с

Ex. 7 1 c, 2 b, 3 a, 4 e, d — extra

Ex. 10 1 i; 2 e; 3 d, e; 4) in the north of Europe, in Canada; 5 e; 6 e; 7) e, in Europe; 8) in the south; 9) b, in the south of Europe, in Africa; 10h; lie, e, f; 12i; 13 g

Ex. 13 1) are playing, are, have been playing; 2) began, has been talking; 3)is, has been waiting; 4) became, has been working, became; 5) moved, live/ are living, have been living

Ex. 1 True: 2, 7

False: 1, 3, 4, 5, 6

Ex. 2 2) I have been drinking mineral water.

3) I have been cooking a cake. 4) I have been writing a letter. 5) I have been painting a/the chair. 6) I have been making a chair. 7) I have been playing football. Ex. 3 1) It has been snowing in Moscow for 12 hours.

2) It has been raining in Rome for 10 hours. 3) It has been snowing in Paris all day (for many hours). 4) It has been raining in Washington, DC for 6 hours. 5) It has been snowing in Saint Petersburg for 5 hours. 6) It has been raining in London for 9 hours.

Ex. 5 1) has been snowing; 2) haven't seen, have you been doing? 3) have written, haven't got; 4) has been; 5) have met; 6) have missed; 7) have been phoning;

8) have been working, haven't finished yet; 9) have al­ways wanted; 10) has been ringing

Ex. 11 A. a brave hare, wonderful insects, a silly (stupid) ostrich, a clever monkey, a lazy bear, a white daisy, a big/large oak, a nice squirrel, an evergreen fir (tree), a tall/high pine, a thin birch (tree), blue forget-me-nots, a small/little nightingale, a beautiful lilac, a bright sunflower, a blue cornflower, a red carnation, a strong elephant, a powerful lion, English oaks

B. to feed rabbits, to take a picture of a/the giraffe, to see an elephant, to meet a hedgehog, to plant a jas­mine, to water yellow daffodils, to grow pansies, to watch (the) swans

Ex. 12 1) has been cooking; 2) have never seen;

3) have been learning; 4) have known, came; 5) have you seen, did you see; 6) has been waiting, has she come yet? 7) have always wanted; 8) has always loved;

9) have the children been sleeping; 10) have you been doing; 11) have had

Ex. 13 1) daisy, 2) cornflower, 3) sunflower, 4) car­nation, 5) pansy, 6)dandilion, 7) bluebell, 8) poppy, 9) lilac

Ex. 1 a) October, b) 14 February, c) 25 December, d) 2 September, e) 30 April, f) 1 January

Ex. 3 What did Nick wear..., haven't seen; 2) has drawn; 3) flew; 4) has flown; 5) grew; 6) has grown; 7) have you been wearing, have been wearing; 8) has been blowing; 9) flown; 10) flew; 11) have grown; 12) your cousin has drawn

Ex. 5 l)John studies Geography. 2) The relations between these two countries are very good./These two countries have very good relations. 3) Ecology is one of the most important sciences nowadays. 4) Nowadays people work a lot on computers. 5) People should think a lot about their environment. 6) Mr Robinson decided to surround the castle with a high wall. 7) Why is it im­portant for children to eat healthy food? 8) What is the population of London? 9) Julia has got a large collec­tion of good books at home. 10) I'd like to ask you a number of questions.

Ex. 6 group, isolation, organism, energy, ecology, natural, person, ecologist, population, diet, form, modern

Ex. 7 A. 1) Ecology is a science. 2) Ecology studies how plant, animals and other living things live in rela­tion to each other and to their environment. 3) A natu­ral environment is the air, the water, the soil and all other things that surround a person, animal or plant.

4) Ecology teaches us how to survive in modern world.

5) Ecologists collect information about the population number of different animal species, their diet, form, size and behaviour.

B. 1) The ecological situation in many countries is not very good. The air, soil and water become dirty. It is difficult to breathe sometimes, people can't eat some products, food or drink some water. Many animals be­come fewer and fewer in number. Ecology studies all these problems and helps people to survive. 2) In the last century. 3) It uses the information of biology, ge­ography, geology, botany, anatomy and some others. 4) Ecology tries to solve many problems — how to make the air clean again in the place we live, how to help peo­ple eat healthy food, how to make lives of many ani­mals better and many others. 5) The environment can influence a living thing a lot. For example, people cut trees, they need wood to make tables, chairs, their houses, the environment changes and some birds or an­imals cannot live any longer. They die. 6) Human ecol­ogy studies the environment of people, it helps them to know more about their health.

Ex. 8 1) Foxes live in forests and fields. They are their natural environment. Foxes feed on chickens, hens, mice, frogs, small birds. 2) Hedgehogs live in forests and steppes. They feed on bugs, worms, fruit, roots, berries, mushrooms. 3) Air is butterflies' natural environment. They feed on flower nectar.

4) Seagulls live near water. They feed on fish. Lakes, rivers, seas and oceans are their natural environment.

5) Frogs live in the water. Ponds are their natural environment. They feed on mosquitoes and flies.

6) Dragonflies live near water. Ponds and lakes are their natural environment. They feed on mosquito lar-vas (larva — личинка). 7) Elephants live in the jungle of India and African savannahs. Forests and savan­nahs are their natural habitats. They feed on fruit, vegetables, leaves, grass. 8) Monkeys live in the jun­gle. Tropical forests are their natural habitats. They feed on bananas and other fruit as well as nuts. 9) Bears live in forests and in mountains near rivers and lakes. Forests and mountains are their natural habitats. They feed on fish, honey, berries, roots and small animals. 10) Crocodiles live in water. Tropical rivers are their natural habitats. They feed on fish and animals. 11) Deer live in forests. Forests are their nat­ural habitats. They feed on grass, plants, leaves.

12) Swallows live near river banks, under the roofs of houses. They are their natural habitats. They feed on worms, mosquitoes, flies, bugs and other insects.

13) Squirrels live in forests. Forests are their natural habitats. They feed on nuts, mushrooms, berries, small bugs.

Ex. 9 1) a scientist, 2) information, 3) interesting,

4) different, 5) unusual, 6) population, 7) width, 8) length, 9) development, 10) growth, 11) ecologists

Ex. 10 l)We are all/both ready...; 2) All people...; 3) All/both (the) singers...; 4) Both (the) brothers...;

5) All six chairs...; 6) Both (the) friends...; 7) Both my parents...; 8) We all/both can...; 9)Both Chemistry and...; 10) All/Both (the) children...; 11) Both Ann's parents

Ex. 11 1) health, surroundings; 2) collecting; 3) sur­rounded; 4) ecology; 5) survive; 6) growth; 7) collection, size; 8) study; 9) influenced; 10) population, now­adays

Ex. 12 l)in, 2)—, 3)in, 4) to, 5)—, 6) between, 7) to, 8) in, 9) of, 10) by

Ex. 1 True: 1,2,4,6; not mentioned in the text: 3, 5

Ex. 2 1) The children are among the flowers. 2) Sam is between Peter and Kate. 3) The red car is between black cars. 4) The low table is between the armchairs. 5) The road is among the trees. 6) The monkey is be­tween the rabbit and the parrot.

Ex. 3 Fred has to 1) make tea, 2) answer telephone calls, 3) clean Mr Brown's clothes, 4) buy books and maps in the shop, 5) take Mr Brown's dog out, 6) water the flowers, 7) wash Mr Brown's car, 8) put the letters on Mr Brown's desk

Ex. 4 1 b, 2 a, 3 a, 4 b, 5 b, 6 b

Ex. 6 1) влияние; 2) сваливать, выбрасывать; 3) тратить зря, попусту; 4) быть на диете; 5) иметь отношение, относиться; 6) имеющий отношение к окружающей среде; 7) загрязнённый; 8) незагряз­нённый

Ex. 7 1) to be able to live, 2) the air to breath, 3) to make the soil, 4) as much as we can, 5) we cut down for­ests, 6) we pollute the environment, 7) we make a lot of waste, 8) we dump domestic and industrial waste, 9) we pour toxic waste, 10) dangerous to breathe, 11) to sur­vive

Ex. 9 Sample sentences: 1) Our planet should be safe to live on. 2) Our country should be powerful and hap­py to live in. 3) Our air should be unpolluted and clean to breathe. 4) Our rivers, lakes and seas should be clean and not dangerous to swim in. 5) Our food should be healthy to eat. 6) Our forests should be rich in birds and animals. 7) Our water should be clean to drink.

Ex. 10 Dos; Help animals to survive. Clean rivers and lakes. Be careful with farm waste. Use fewer cars. Make Clean Air laws. Take lorries out of city or town centres. Make laws to control pollution.

Don'ts: the rest

Ex. 12 1) between, 2) among, 3) among, 4) among, 5) between, 6) between, 7) among, 8) between, 9) be­tween, 10) between

Ex. 13 1) dangerous, 2) factories, 3) pollute, 4) pol­luted, 5) pour, 6) waste, 7) earth, 8) polluted, 9) dump, 10) waste, 11) healthy, 12) ecological

Ex. 1 True: 1, 3, 4, 7. False: 2, 5, 6

Ex. 2 John left the house without 1) making his bed, 2) taking a shower, 3) taking his dog out, 4) having breakfast, 5) drinking his usual cup of tea, 6) helping his mother to wash the plates, 7) taking his lunch with him, 8) saying his granny goodbye, 9) kissing his mother goodbye

Ex. 3 1 d, 2 g, 3 b, 4 a, 5 h, 6 c, 7 f, 8 e

Ex. 4 1 e, 2 c, 3 d, 4 a, 5 b

Ex. 5 1) He used to make sandcastles. 2) He used to ride a bike. 3) He used to fish. 4) He used to skate. 5) He used to drink milk. 6) He used to have a dog (a pet). 7) He used to go to the cinema.

Ex. 7 1) Some time ago people used to travel on horseback but now they travel by car, train and bus. 2)...people used to wash things by hand, now they wash things in a washing machine. 3)...people used to write letters, now they send e-mails. 4)...people used to write books by hand, now they print books. 5)...people used to read more books, now they watch a lot of television. 6)...people used to have big families with a lot of children, now they have smaller families. 7)...people used to die early, now they live longer lives. 8)...people used to walk upstairs and down­stairs, now they use lifts. 9)...people didn't use to know so much about our planet, now they know a lot about it. 10)...people used to dream about flying to the stars, now they do it.

Ex. 8 1 c, 2 h, 3 f, 4 g, 5 a, 6 e, 7 d, 8 i, 9 b

Ex. 10 1) took, takes; 2) will take; 3) has taken; 4) took; 5) will it take; 6) takes; 7) took; 8) takes; 9) has taken; 10) has it taken you

Ex. 11 1) in; 2) down; 3) of; 4) of, in, in; 5) among; 6) to; 7) into; 8) on, without; 9) in; 10) —

Ex. 1 A. l)...Asia, Africa and South America. 2)...even in Norway. 3)...Amazon... 4)...a lot, nearly every day of the year. 5)...about 26 degrees above zero or higher. 6)...to cut down the trees in these areas.

B. There are a lot of trees in rainforests. They help to produce oxygen and we can breathe. Rainforests are a natural home for many birds, animals and plants. They all will die without rainforests.

Ex. 2. How long does it take you to do your room? to get to school? etc.

Ex. 3 When Mr Richardson was ten years old, he used to live on the farm; he used to feed animals there; he used to plant trees; he used to grow fruit and vege­tables; he used to ride horses, he used to help his par­ents about the farm. When Mr Richardson was twenty years old, he used to live in London; he used to go to University; he used to travel by underground; he used to visit museums; he used to meet a lot of interesting people; he used to have a lot of friends.

Ex. 6 1) The natural habitat of fish is water in ponds, lakes, rivers, seas and oceans. Forests are natu­ral habitats of bears. Tropical forests in India and Af­rican savannahs are the natural habitats of elephants. 2) Dodos, travelling pigeons, Tasmanian tigers, dino­saurs are extinct animals. 3) Endangered species of an­imals: African and Indian lions, African mountain go­rillas, tigers that live in the Far East. Endangered plants are snowdrops, lilies-of-the valley. 4) People can stop destroying natural habitats of birds and animals. They can plant more trees, they can grow new forests, they can feed animals, clean water, etc. 5) People need to build houses, so they cut down trees and destroy nat­ural habitats of many birds and animals. They pour toxic industrial waste into lakes and rivers. 6) People need wood, so they cut down trees. This badly influenc­es the life of birds and animals. They lose their natural habitats. Many of them grow smaller in number, be­come endangered. Some of them die and become ex­tinct. Rainforests are natural lungs of people. It is dif­ficult to breathe if you have no lungs. 7) It is difficult for many birds and animals to survive in the 21st cen­tury because people destroy their habitats, pollute water, air and soil and do not always think of birds and animals.

Ex. 8 2 i, 3 g, 4 d, 5 c, 6 b, 7 e, 8 f, 9 h

Ex. 9 А. 1)Чем больше у нас организаций, зани­мающихся проблемами экологии, тем лучше. 2) Чем с большим количеством людей ты знакомишься, тем больше у тебя становится друзей. 3) Чем меньше ошибок ты делаешь в контрольных работах, тем луч­ше оценку ты получаешь. 4) Чем меньше мы разру­шаем нашу планету, тем более счастливыми мы бу­дем. 5) Чем ты добрее относишься к своим любимым животным, тем больше они тебя любят. 6) Чем боль­ше ты говоришь по-английски, тем лучше у тебя по­лучается. 7) Чем ты сильнее, тем лучше ты играешь в футбол. 8) Чем больше ты смотришь телевизор, тем меньше времени у тебя остаётся на чтение. 9) Чем больше деревьев мы сажаем, тем более чистым воз­духом мы дышим. 10) Чем дольше я собираю знач­ки, тем более интересным занятием это становится.

В. Чем больше мы учим(ся), тем больше мы зна­ем. Чем больше мы знаем, тем больше забываем. Чем больше мы забываем, тем меньше мы знаем. Так зачем же учиться?

Ex. 10 1 f, 2 d, 3 h, 4 a, 5 j, 6 b, 7 e, 8 c, 9 i, 10 g

Ex. 12 1) endangered, 2) habitat, 3) protected, 4) destroy, 5) extinct, 6) protect, 7) members, badges

Ex 1 1) The Island of Mauritius is situated in the In­dian Ocean. 2) Dutch ships came to Mauritius about four hundred years ago. 3) Dutch sailors found a lot of different birds there. 4) Dodos had no true wings. 5) They were not in danger from other animals.

6) There were no people on the island. 7) Dodos were easy to catch. 8) The Dutch began to call the birds do­dos from the Portuguese word "doudo", a silly person. 9) Rats and dogs from the ships ate dodo eggs and chicks. 10) In the English language there is a saying "as dead as a dodo", which means that somebody is dead, and people don't remember them.

Ex. 3 1) What a dangerous place (it is)! 2) How fresh the air is! 3) How beautiful the valleys are! 4) What a powerful king (he is)! 5) What charming babies (they are)! 6) How slow the animals are! 7) What a rich area! 8) How funny the monkeys are! 9) What fast rabbits! 10) How tasty the chocolate is!

Ex. 5 1) must; 2) must; 3) must not, must not; 4) must; 5) must not; 6) must; 7) must; 8) must

Ex. 6 l)Pete is responsible for interviewing a fa­mous scientist. 2) Mary is responsible for inviting a well-known ecologist to school. 3)Tom is responsible for decorating the hall. 4) John is responsible for talk­ing on endangered species of plants and animals.

5) William is responsible for talking on the main eco­logical problems. 6) Kate is responsible for writing questions to the members of the local government on the ecology of the place. 7) Rob is responsible for tak­ing pictures of the local Natural Park. 8) Helen is re­sponsible for writing a letter to the local government to build a new recycling factory.

Ex. 7 Governments should 1) have strong laws to control pollution; 2) have laws to protect animals and plants; 3) be responsible for protecting nature; 4) have "working" laws; 5) listen to scientists and ecologists; 6) open national parks, places without buildings;

7) control hunters/hunting; 8) find ways to recycle things we have used; 9) build recycling factories; 10) control dangerous plants and factories and close them if necessary

Ex. 9 B. 1) The first thing you should do...; 2) The next thing to do...; 3)...don't forget...; 4) Remem­ber...; 5) Be careful...; 6) Another thing to remem­ber...

Ex. 10 1) —, 2) the, 3) —, 4) an, 5) the, 6) —, 7) the, 8) the, 9) —, 10) —

Ex. 11 l)to save endangered animals, 2) to make laws, 3) to influence ecology, 4) to pollute rivers, 5) to study extinct species, 6) to recycle (the) waste, 7) to be responsible for protecting nature, 8) to hunt wild ani­mals, 9) to destroy (damage) forests, 10) to destroy an­imals' habitats

Ex. 1 text 1) — c, text 2) — a, b — extra Ex. 2 Sample version; l)How proud of him his brother is! 2) What famous places they are! 3) How dif­ficult the instructions are! 4) What responsible governments they are! 5) What an unusual badge it is! 6) How healthy the diet is! 7) What a dangerous thing it is! 8) What a powerful man he is! 9) What safe places they are!

Ex. 4 1) Larry had just left his office when it started raining. 2) Bobby had just got on a bus... 3) Mr New­man had just entered the shop... 4) Dan had just decid­ed to go for a walk... 5) Ms Forester had just come out into the garden... 6) The Trembles had just finished supper... 7) Charles had just turned on the television... 8)Sharon had just cleaned the floors... 9)Lizzy had just washed her sweater... 10) Mr Mole had just started working in the garden...

Ex. 7 1) joined; 2) junk; 3) hard; 4) enough; 5) kept; 6) smoking, smoking; 7) keep; 8) exercise; 9) relax; 10) drugs; 11) harm; 12) keeping

Ex. 8 1) Мне не нравится вкус этой рыбы, ты её пе-режарил(а). 2) Я заплатил 300 рублей за этот суве­нир, боюсь, что я переплатил. 3) Не каждый любит мягкие переспелые бананы, но мне нравится их есть. 4) Когда Макс открыл глаза утром, часы показывали десять. Он проспал. 5) Пожалуйста, не перекармли­вай собаку. Лишняя еда приносит только вред. 6) На этот раз я попрошу тебя сделать не два, а три упраж­нения. Надеюсь, я не перегружаю тебя. 7) Вчера я переутомилась, но заснуть не могла. 8) У нас будут проблемы, если мы истратим больше денег, чем по­ложено.

Ex. 11 l)old enough, 2) enough time, 3) enough food, 4) eat enough, 5) enough coffee, 6) enough ap­ples, 7) long enough, 8) hard enough, 9) wide enough, 10) enough pencils

Ex. 12 1) hard enough, 2) strong enough, 3) enough air, 4) fast enough, 5) enough questions, 6) difficult enough, 7) successful enough, 8) enough energy

Ex. 13 1 g, 2 a, 3 d, 4 f, 5 b, 6 h, 7 e, 8 с

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