UNIT 4 - Урок 3 - Ключи к заданиям учебника

Step 1

Ex. 1. 1b, 2c, 3a, 4a.

Ex. 2. 1) Have you ever been, when were you, I was, did you visit? 2) Have you bought..., When did you buy..., Where did you buy ...; 3) has gone, why did he go, went.

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

Ex. 7. 1) a nightingale; 2) a parrot; 3) a pigeon; 4) a seagull; 5) a magpie; 6) a woodpecker; 7) a swan; 8) an owl.

Ex. 8. 1) said; 2) told; 3) have won; 4) bought, paid; 5) have never heard; 6) has just struck; 7) meant, said; 8) has already made; 9) have learnt; 10) has just put.

Ex. 9. (a sample variant) a) swan, seagull; b) nightingale, canary; c) nightingale, magpie; d) pigeon, sparrow; e) crow, kookaburra; f) turkey, duck; g) parrot, crow; h) canary, budgie.

Step 2

Ex. 1. 1) the middle of April till the middle of June; 2) Ireland, Wales and Scotland; 3) daytime; 4) is not very beautiful; 5) in the grass.

Ex. 4. 1) Where do penguins live? 2) Do they live near the North or the South Pole? 3) In what are penguins different from other birds? 4) What do penguins look like? 5) What were they like long ago? 6) How did it happen that penguins can’t fly? 7) What can penguins do very well? 8) Why don’t penguins feel cold?

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

Ex. 6. 1) cup; 2) carton (cup); 3) piece; 4) piece; 5) bag; 6) carton, jug, cup; 7) plate; 8) box; 9) cup; 10) box.

Ex. 7. A. 1) He has never blown up a balloon. 2) He has never known this rule. 3) He has never worn shorts. 4) He has never forgotten what he must do. 5) He has never flown by plane. 6) He has never grown vegetables. 7) He has never drawn animals.

В. 1) He has just blown on his hot soup. 2) He has just drawn a castle for his little son. 3) He has just flown to Helsinki. 4) He has just grown a new kind of flower. 5) He has just worn a clown’s costume.

Ex. 8. 1) owl; 2) woodpecker; 3) crow; 4) nightingale; 5) gull; 6) swallow; 7) pigeon; 8) magpie; 9) starling.

Ex. 9. 1) other; 2) another; 3) others; 4) other; 5) other; 6) others; 7) another; 8) others.

Ex. 10. 2) wore; 3) strike, struck; 4) drawn; 5) forgot; 6) understand; 7) grew, grown; 8) flown.

Step 3

Ex. 1. Speaker 1 — giraffe; Speaker 2 — lion; Speaker 3 — elephant; Speaker 4 — crocodile; zebra, tiger — extra.

Ex. 2. 1) flowed; 2) flowed; 3) flew; 4) flown; 5) flowed; 6) to fly.

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

Ex. 4. 1) The name of the other animal is an elephant. 2) The fox is red. 3) The other animal, a reindeer, is under the tree. 4) The parrot is speaking, the ostrich is running. 5) It is а/the crow. 6) The other bird, a starling, lives in a bird house. No, it does not.

Ex. 6. 1) support; 2) insects; 3) breathe; 4) species; 5) include; 6) soil; 7) common; 8) soil; 9) including.

Ex. 8. 1) the others; 2) the other; 3) the other; 4) others; 5) another; 6) other.

Ex. 9. 1) Have you ever worn...? 2) What clothes did Nick wear...? 3) has drawn; 4) drew; 5) flew; 6) have never flown; 7) Have you blown...?; 8) has grown; 9) flew; 10) have never known; 11) has already forgotten.

Step 4

Ex. 1. 1f, 2b, 3c, 4a, 5d, e — extra.

Ex. 3. 1) soil; 2) ground; 3) earth (the Earth); 4) land; 5) soil; 6) land; 7) ground; 8) earth (the Earth); 9) land; 10) soil.

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

Ex. 5. B. 2) Jenny has been learning French for 5 years. 3) Peter has been learning Norwegian for a year. 4) Robin has been learning German for 2 years. 5) Diana has been learning Italian for 4 years. 6) Sam has been learning Chinese since 2003. 7) Brian has been learning Japanese since 2000. 8) Matilda has been learning Greek since 1998. 9) Nora has been learning Vietnamese since 2004. 10) William has been learning Spanish since 1999.

Ex. 6. 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. 7. 1) has been drawing; 2) has been working; 3) has been watching; 4) have been learning; 5) have been playing; 6) have been trying; 7) have been driving; 8) has been teaching.

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

Ex. 9. 1) Jack has been doing chemistry since 2009. 2) We have been preparing Christmas decorations all the morning. 3) Fiona has been working on the computer since the beginning of the school year. 4) We have been playing football for half an hour. 5) The Wilsons have been travelling about Australia for two months.

Ex. 10. a) wild animals: bear, elk, reindeer, elephant, chimp, squirrel, hedgehog, turtle, snail; b) domestic animals: cow, sheep, pig, hen, horse; c) insects: grasshopper, ant, fly, bee.

Step 5

Ex. 5. 1) similar colours; 2) close relatives; 3) scientific interests; 4) curious look; 5) human faces; 6) twin brother.

Ex. 7. A. True: 1, 5; false: 6, 8, 10; not stated: 2, 3, 4, 7, 9, 11.

Ex. 8. 1) for; 2) since; 3) all day; 4) for; 5) since; 6) since; 7) all day; 8) for.

Ex. 9. 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 decorating the hall for half an hour. 5) Wendy has been making a dress for half an hour. 6) The boys have been running for half an hour. 7) The Morgans have been driving for an hour and a half. 8) The children have been playing football for an hour. 9) Jim has been shopping for half an hour. 10) I have been waiting for you for half an hour.

Ex. 10. 1) twins; 2) human; 3) curious; 4) similar; 5) relative; 6) close; 7) scientific; 8) monkey; 9) ape; 10) especially.

Step 6

Ex. 1. 1a, 2a, 3b, 4b, 5a, 6a, 7a, 8b, 9b.

Ex. 2. 1) Mr Robinson has been fishing since yesterday. 2) Rose has been growing flowers since 2010. 3) Frank has been painting since Sunday. 4) William and Sam have been reading for half an hour. 5) Jenny and Alice have been travelling for two and a half weeks. 6) Molly and Kate have been skating for two and a half hours. 7) Greg has been writing for half an hour. 8) George has been cleaning the floor for an hour and a half.

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 his brother. 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 2010. 6) Bill has been riding his bike since he got it as a gift. 7) They have been using their garage since they built it. 8) Jim has been drinking from this cup since I gave it to him two years ago. 9) Olga has been dancing modern dances for a long time. 10) Boris has been dreaming about going to rainforests for a long time.

Ex. 4. A. (sample): 1) Congratulations! — Thank you. 2) Happy New Year ... 3) Have a good time! — Thank you. 4) Enjoy yourself! 5) Happy birthday. — Thank you. 6) Have fun. — Thank you.

B. a) Happy birthday, b) Happy New Year, c) Congratulations to you. d) Congratulations, e) Happy Easter. f) Happy St Valentine’s Day (Greetings on St Valentine’s Day).

Ex. 6. A. 1e, 2b, 3a, 4d, c — extra.

Ex. 8. 1) have been waiting; 2) has been living; 3) has been learning; 4) have been building; 5) have been travelling; 6) have been watching; 7) has been washing up.

Ex. 9. 1) ladybird; 2) beetle; 3) spider; 4) moth; 5) butterfly; 6) dragonfly; 7) caterpillar.

Step 7

Ex. 1. True: 1, 4, 5, 6; false: 2, 3.

Ex. 2. 1) Have you found a job yet? 2) Have you done your homework yet? 3) Have you bought a new mobile? 4) Have you visited New Zealand yet? 5) Have you made a successful film yet? 6) Have you found your favourite pet? 7) Have you been to the Niagara Falls yet? 8) Has your friend come/appeared/arrived?

Ex. 3. 1) Alice has been painting. 2) Helen has been cooking, 3) Peter has been playing football. 4) Wendy has been shopping. 5) Chris and Jack have been swimming. 6) Julia has been eating chocolates.

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

Ex. 5. A. Plants: 1) дуб; 2) сосна; 3) чертополох; 4) вяз; 5) ель; 6) желтый нарцисс; 7) бук; 8) берёза; 9) лист клевера (трилистник).

Animals: 1) змея; 2) малиновка; зарянка; 3) ящерица; 4) черный дрозд.

Ех. 6. (sample): 1) Common Plants; 2) Common Animals; 3) Common Birds; 4) The Symbols of the Country.

Ex. 8. 1) How long have you been doing these exercises? 2) Since when have you been paining this picture? 3) How long has she been waiting for her lunch? 4) Since when have they been growing these plants? 5) How long has she been staying at this hotel?

Ex. 9. 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, are living/ live, have been living.

Step 8

Ex. 2. B. 1c, 2a, 3b, 4a, 5a.

Ex. 4. 1) out; 2) off; 3) up; 4) up; 5) off; 6) out; 7) up; 8) up.

Ex. 6. A. 1) breakable; 2) readable; 3) enjoyable; 4) comfortable; 5) movable.

В. 1) winner; 2) baker; 3) decorations; 4) pleasant; 5) lovely/lovable; 6) tailless; 7) successful; 8) penniless; 9) eatable; 10) Canadian.

Ex. 8. 1) another; 2) other; 3) the others; 4) the other; 5) others; 6) another; 7) others; 8) other.

Ex. 9. 1) have been dancing, are; 2) has begun, is learning; 3) met, was talking; 4) have you been living, have been living; 5) have been travelling, will come back.

Ex. 10. 1) hid; 2) said; 3) preferred; 4) leave; 5) put; 6) stood; 7) make; 8) struck; 9) hear; 10) burnt.

Step 9

Ex. 1. 1d, 2b, 3е, 4a, c — extra.

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

Ex. 3. 1) Have you ever been, did you do, was, went; 2) have you finished, am, have you been doing, have been doing, will you finish, think, I’ll finish; 3) When were you, was, have not been, don’t you go, don’t like, prefer; 4) Have you done, am doing, have you been doing, have been doing, have cleaned.

Ex. 5. A. Nouns: human, insect, relative, soil, species, support, twin; verbs: breathe, close, hide, include, support; adjectives: close, common, curious, human, lovable, other, scientific, similar; adverbs: close, especially.

B. Plants: sunflower, eucalyptus, elm, bluebell, beech, oak; insects: moth, butterfly, caterpillar, dragonfly; birds: canary, swan, crow, jackdaw, goose, duck, turkey; animals: ape, elk, horse, lion, hare, goat.

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

Ex. 9. 1) for; 2) flew; 3) ever; 4) on; 5) the other day; 6) the others; 7) yet; 8) another; 9) out; 10) off.

Step 10

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

Ex. 2. 1d, 2a, 3e, 4b, c — extra.

Ex. 3. 1) include; 2) breakable; 3) a plant; 4) on; 5) soil; 6) up; 7) the others; 8) scientific.

Ex. 4. 1) has been raining; 2) started raining; 3) have you been living, have been living; 4) did they live; 5) have been waiting; 6) have you been doing; 7) did; 8) left.