5) Happily, 6) terribly

Ex. 7 1) true, 2) air, 3) perfect, 4) popular, 5) scien­tist, 6) technology, 7) regularly, 8) rich, 9) follow, 10) pronunciation

Ex. 8 1) made, 2) don't stop, 3) cried, 4) have not be­gun, 5) smiled, 6) went, 7) have lived, 8)amstil liv­ing, 9) is, 10) has always been, 11) gives, 12) follow, 13) have, 14) will have

UNIT 3

Ex 1 1) In old times bears had beautiful long black tails. *2) The Fox decided to play a joke on the Bear. 3) The Fox showed the Bear how to catch fish with nis tail 4) The Bear wanted to try to fish with his tail. 5) The place where the Bear started fishing was not deep (enough). 6) The Bear sat down next to the hole and put his tail into the icy water. 7) The Bear looked like a little white hill in the middle of the ice. 8) As a result now bears have short tails and sleep in wmter(s).

Ex.21b, 2e, 3a,4d, 5 с

Ex. 4 1) hedgehog, 2) pigeon, 3) squirrel, 4) dragon­fly, 5) butterfly, 6) palm, 7) oak, 8) fir (tree)

Ex. 5 carnation, daisy, bluebell, kangaroo, hare, pi­geon lark, cornflower, dandelion, thistle, koala, aliga-tor, swan, canary, lilac, poppy, shamrock, parrot, coy­ote, swallow

Ex. 7 1 d, 2 e, 3 a, 4 c, 5 — extra, 6 b

Ex. 8 1 d, 2 c, 3 a, 4 e, 5 b

Ex. 9 1 c, 2 b, 3 c, 4 c, 5 a, 6 b

Ex. 12 1) birch; 2) bear; 3) daisies, cornflowers, poppies, bluebells; 4) roses, daffodils, tulips, forget-me-nots, primroses, chrysanthemums, carnations; 5) cows, sheep, horses, dogs, cats; 6) hares, foxes, deer, wolves, bears; 7) woodpeckers, owls, magpies, crows, sparrows, nightingales, swans, ducks, geese, blackbirds .

Ex. 14 1) species, 2) discover, 3) including, 4)fIy, 5) other, 6) common

Ex. 16 Sample versions: The True Friends. Never Do Anything in Anger. Gelert, a Loyal Friend.

Ex. 171с, 2е, 3d, 4b, 5a

Ex 18 1) extinct, 2) black bird, 3)lion, 4) squirrel, 5) wolf, 6) monkey, 7) pigeon, 8) hare, 9) ostrich, 10) hedgehog, 11) soil, 12) species, 13) common, 14) each, 15) breathe, 16) endangered, 17) elephant, 18) swallow, 19) magpie, 20) habitat, 21) kangaroo, 22) anteater, 23) thistle, 24) flamingo, 25) crocodile, 26) evergreen, 27) beech, 28) butterfly, 29) snail, 30) giraffe

Ex. 19 1) air, 2) nightingale, 3) monkey, 4) bear, 5) desert, 6) species, 7) insect, 8) elephant, 9) earth, 10) hedgehog, 11) owl, 12) alligator, 13) support, 14) woodpecker, 15) daffodil, 16) symbol, 17) discov­ery, 18) rabbit, 19) crow, 20) coyote, 21) lilac, 22) ko­ala, 23) swan, 24) opossum

Ex. 20 l)of, 2) for, 3)of, 4 —, 5) of, 6) from, 7) after, 8) with, 9) of, 10) to, 11) of, 12) with, 13) into, 14) on, 15) in, 16) at, 17) in, 18) on, 19) about, 20) in

Ex. 21

№	Значение	I	II	III
1.	петь	sing	sang	sung
2.	писать	write	wrote	written
3.	схватить, поймать	catch	caught	caught
4.	строить	build	built	built
5.	делать	make	made	made
6.	начинать	begin	began	begun.
7.	находить	find	found	found
8.	расти	grow	grew	grown
9.	знать	know	knew	known
10.	рассказать	tell	told	told

Ex. 22 1) Have you caught it? I have been looking af­ter it... 2) I have lost my textbook. I have been looking for it... 3) She has been growing them... She has made a wonderful garden. 4) He has been building a nestling box... Has he finished it? 5) Today she has been sing­ing. .. Have you ever been to her concert?

Ex. 23 Since afternoon 1) Granny has been planting flowers in the garden. 2) Lizzy and Mary have been do­ing a project. 3) Mr Green has been washing his car. 4) The Browns have been collecting rubbish. 5)Clive has been watching a DVD. 6) Dave has been playing chess with his brother. 7) The Hawkins have been choosing a pet. 8) Jane has been learning a poem.

Ex. 24 since: 2, 3, 4, 7, 9; for: 1, 5, 6, 8,10

Ex. 25 l)Has Stephen been playing tennis since morning? 2) Has Jane been swimming for two hours? 3)Have you been reading this book since autumn? 4) Have mum and dad been working in the garden all day? 5) Has Peter been watering the flowers for three hours? 6) Have Becky and Tom been studying biology all the morning?

Ex. 26 1) herself, 2) themselves, 3) ourselves, 4) yourself/yourselves, 5) himself, 6) myself, 7) your­self/yourselves, 8) herself, 9) himself, 10) ourselves

Ex.27

1) is airing 5) are watching

2) has been cleaning 6) has been painting

3) have been sunbathing 7) has been writing

4) is building 8) is feeling

Ex. 28 A. 1) a nightingale's songs, 2)birds' lan­guage, 3) to make a noise, 4) a talanted imitator, 5) to learn to speak, 6) drawings of plants and animals, 7) a famous children's book, 8) to illustrate books, 9) dandelions and cornflowers, 10) to grow pansies and daisies, 11) different species, 12) stories about squir­rels and hedgehogs

B. 1) Common birds of Russia are woodpeckers, crows, ducks, sparrows and swallows. 2) Sally decorat­ed letters to her friends with flowers. 3) Lions, tigers, wolves are wild animals. 4) The language of birds dif­fers (is different) from the language of people. 5) My friend and me (I) have a lot of things in common. First of all we love nature. 6) The kangaroo and koala live in Australia and are the symbols of this country- (kanga­roos and koalas live...) 7) There are several species (kinds) of bears — a grizzly bear, a brown bear and a polar bear. 8) Crocodiles are different (differ) from ali-gators. 9) In a zoo one can see (it's possible to see) many animals from other countries: a giraffe, an elephant, a zebra, monkeys. 10) I like carnations and roses most

of all.

C. 1) The fauna of our planet includes various spe­cies of birds, animals and insects. 2) There are a lot of them. 3) Scientists discover new species every year. 4) Different animals can live in a certain climate and on a certain soil. 5) For example, in a desert where the soil and air are dry there are not many (few) species of animals.

Ex. 29 1) What (kind of insect) have you been watch­ing for an hour? 2) What has Tom been collecting since childhood? 3) Where is Nancy planting flowers? 4) When did Bob and his class go to the zoo? 5) How long have Liz and Paul been skating? 6) Why are mum and dad watering the flowers? 7) How have the chil­dren been singing for half an hour? 8) Who has brought carnations for mother?

Ex. 30 Sample versions: 1) Dear ..., Many happy re­turns of the day! Best wishes for your birthday! Take care. Your friend, ....

2) Dear ...! Happy New Year and Merry Christmas! Have a good time. Yours ....

3)Dear Teacher, greetings on Teacher's Day! Best wishes for your Day! Sincerely yours ... .

4) Dear Mother, Best wishes for your Day! I wish you all the best! May all your dreams come true! Your son (daughter)...!

5) Dear ,.., Happy Valentine's Day! Take my best wishes for the Day! I love you. Have a nice day and en­joy yourself ....

Ex. 31 1) was, 2) sat, 3) passed (was passing),

4) spoke, 5) cannot, 6) bring, 7) have been sitting,

8) will comfort, 9) looked, 10) saw, 11) died, 12) grew

Test 3

Ex. 11 b, 2 a, 3 e, 4 d, 5 c, 6 — extra

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

Ex. 3 1) squirrel, 2) elephant, 3) pigeon, 4) oak, 5) daisy, 6) dandelion, 7) bluebell, 8) cornflower, 9) sunflower

Ex. 4 1) has been raining; 2) have never been, has been living; 3) have been phoning; 4) have always wanted; 5) have been working; 6) has been painting, has not finished

Ex. 5 1)yourself, 2)myself, 3)—, 4)—, 5) our­selves, 6) herself, 7) yourself, 8) themselves

Ex. 6 1) Merry Christmas! 2) Many happy returns of the day! Happy Birthday! Best wishes for your Birthday! 3) Greetings on the Russian Army Day! 4) Greetings on Women's Day!

Ex. 7 1) the other, 2) another, 3) the others, 4) oth­ers, 5) the other, 6) other

Ex. 8 1) woodpecker, 2) swallow, 3) hedgehog, 4) in­clude, 5) insect, 6) common, 7) ostrich, 8) squirrel, 9) discover, 10) hare

Ex. 9 1) are, 2) grow, 3) is, 4) looks, 5) does, 6) is, 7) want, 8) do... wash, 9) do... shampoo, 10) do... use

UNIT 4

Ex. 1 true: 2, 4; false: 1, 5, 6; not mentioned in the text: 3, 7

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

Ex. 3 1 b, 2 c, 3 c, 4 a, 5 a, 6 c, 7 b

Ex. 4 1) лягушка, 2) ящерица, З) динозавр, 4) ту­кан, 5) стрекоза, 6) ёж, 7) кенгуру, 8) койот, 9) буй­вол, 10) воробей, 11) сорока, 12) дятел, 13) сова, 14) дуб, 15) вяз, 16) бук, 17) сосна, 18) ель, 19) берё­за, 20) чертополох, 21) репей(ник), 22) лук-порей, 23) жёлтый нарцисс, 24) вечнозелёное растение, 25) водяная лилия, 26) пальма

Ex. 5 1) dangerous, 2) responsible, 3) unfortunately, 4) protected, 5) necessary, 6) environment, 7) extinct, 8) survive, 9) machine, 10) rubbish, 11) nature, 12) natural, 13) government, 14) without, 15) violet, 16) breathe, 17) endangered, 18) behaviour

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

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

Ex. 10 1 d, 2 c, 3 e, 4 f, 5 a, b — extra

Ex. 17 1) polluting, 2) governments, 3) danger, 4) polluted, 5) extinct, 6) endangered, 7) unfortunate, 8) save, 9) protect, 10) habitats, 11) responsible, 12) governments, 13) pollution, 14) destroying, 15) hab­itats, 16) necessary, 17) recycle

Ex. 20 1) destroy, 2) necessary, 3) survive, 4) healthy, 5) law, 6) dolphin, 7) whale, 8) nature,

9) natural, 10) nowadays, 11) protect, 12) duty, 13) di­nosaur, 14) each, 15) among, 16) badge, 17) behaviour, 18) dead, 19) breathe, 20) collect, 21) rubbish, 22) re­cycle, 23) solv«, 24) surround, 25) polluted, 26) influence, 27) endangered, 28) machine, 29) cover, 30) bet­ween

Ex. 21 1) agree, 2) plant, 3) law, 4) pour, 5) outside, 6) hunt, 7) nature, 8) dump, 9) damage, 10) survive, 11) violet, 12) safe, 13) save, 14) whale, 15) relation, 16) extinct, 17) behaviour, 18) both, 19) government, 20) solve, 21) among, 22) breathe, 23) turn

Ex. 22 1) from; 2) for; 3) —; 4) for; 5) In, to; 6) to; 7) at, in; 8) in; 9) for, —, in; 10) of; 11) —; 12) for, on; 13) between; 14) without; 15) into; 16) on

Ex. 23 1) a, the; 2) a; 3) —; 4) a; 5) the; 6) —; 7) —; 8) —; 9) the; 10) — Ex.24

a) Andy has drawn an elephant. Linda has drawn a fox. Peter has drawn a lion. Alice has drawn a croco­dile.

b) Bob and Nick have just worn trainers. Ann has worn a coat. Sam has worn a T-shirt. Tanya has worn a dress.

c) Terry has grown a small oak. Frank has grown wonderful bluebells. Sally and Rick have grown tiger lilies. Mrs Rodgers has grown pansies.

d) Tom has flown to France. Kate has flown to the USA. Vera has flown to the UK. The Reeds have flown to Russia.

Ex. 25 A. 1) a dangerous sport, 2) a natural habitat, 3) to save from danger, 4) to be responsible for buying fruit, 5) to destroy a/the habitat, 6) to be against the law, 7) to hunt animals for skin, 8) both scientists,