ANSWERS: EXTRA PRACTICE

UNIT 1

(page 1)

11. predators 5. amphibian2. reptile 6. hole3. insect 7. jungle4. prey

2 1 h

2 c

u o

n3m y

4 t r a p s o

m5 s t

m6 c u t e

a r

l v7d i s g u i s e

v8 p r e t e n d

(page 2)

3 1. sees 5. goes2. Do … like 6. Does … eat3. Is … hiding 7. is chasing4. am taking 8. make

4 1. loves 6. goes2. wants 7. cleans3. is studying 8. prepares4. needs 9. does not enjoy5. is working 10. watches

5 Accept all logical and grammatically correct answers.

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UNIT 2

(page 1)

1 1. close together 4. burn2. tradesmen 5. horrifying3. incredible 6. common

2 1. h 3. c 5. d 7. b 9. a2. f 4. e 6. g 8. j 10. i

(page 2)

3 1. felt, took 3. did … leave2. weren’t listening, 4. were writing

was talking 5. didn’t read

CHALLENGE 4 Photocopiable © Burlington Books 1

ANSWERS: EXTRA PRACTICE

4 1. started 6. went2. were studying 7. were waiting3. heard 8. reached4. didn’t believe 9. painted5. followed 10. brought

5 1. didn’t use to wear2. Did … use to watch3. used to send4. didn’t use to speak5. used to play

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UNIT 3

(page 1)

1 1. search 4. reveal2. conceal 5. agent3. term 6. former

2 1. secret message 6. shave2. graduated 7. award3. make up 8. citizens4. no matter how 9. ordinary5. gadgets 10. recruit

(page 2)

3 1. have met / have never met2. has rained / hasn’t rained3. have graduated / haven’t graduated4. has bought / hasn’t bought5. have gone / haven’t gone6. have sailed / haven’t sailed

4 1. have been searching2. has been wearing3. hasn’t been working4. has been snowing5. has been listening6. Have … been watching

5 1. We haven’t visited Rome yet.2. I’ve been thinking about you all day.3. Tom hasn’t been doing his homework for a week.4. Emily has watched this programme several times.5. Ed has been sleeping for hours.6. I’ve never been to South America.

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UNIT 4

(page 1)

1 1. d 3. f 7. a 9. g2. b 5. e 8. c

4. h. the hair above the eyes6. i. give a job to someone

CHALLENGE 4 Photocopiable © Burlington Books 2

ANSWERS: EXTRA PRACTICE

2 1. appearance 5. fright2. get away from 6. conservative3. figure 7. critic4. wonder

3 1. least appealing 5. tall enough2. most popular 6. too wide3. shorter than 7. the funniest4. difficult

(page 2)

4 Accept all logical and grammatically correct answers.Possible Answers1. The balloon is the lightest.2. The plane is faster than the bird.3. The plane is the noisiest.4. The balloon isn’t as useful as the plane.

5 Possible Answers1. We visited the studio where they made the film.2. That is the dog that appears in the film.3. I met a woman who has got eight children.4. This is the dress which the actress wore.5. I remember the evening when we saw the film.

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UNIT 5

(page 1)

1 1 d i

2 s c a r d 3

p4w p o

5 r e c o n

6 s i

7 d e r

a t e r t

p w a r

p8 d w a

i i i

n9 s c u l p t

g p10

g l a s s

a11

r e c y c l e

2 1. masterpiece 5. exhibition2. sketch 6. host3. worth 7. obviously4. encourage

(page 2)

3 1. had begun 3. hadn’t displayed2. Had … seen 4. hadn’t eaten

CHALLENGE 4 Photocopiable © Burlington Books 3

ANSWERS: EXTRA PRACTICE

4 1. was, hadn’t started2. had already cooked, arrived3. decided, had never painted4. Had the train left, got5. went, had never seen

5 Accept all logical and grammatically correct answers.

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UNIT 6

(page 1)

1 1. look for 4. go through 7. Go down2. take off 5. go up 8. turn off / down3. turn into 6. look after 9. turn on

2 1. purse 5. fabric2. treat 6. bend down3. queue 7. pounding4. expect

(page 2)

3 1. are you going to do / are you doing2. will study3. will be4. are going to learn / are learning5. are you going to present / are you presenting6. am going to build / am building7. will finish8. will win

4 1. see, will give2. won’t be, exercise3. worked, would send4. wouldn’t wear, were5. had locked, wouldn’t have got6. would have found, had tidied

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UNIT 7

(page 1)

1 1. ring 6. compose2. voice 7. hits3. text message 8. broadcast4. downloaded 9. sound5. clip 10. answer the call

2 1. Y 2. N 3. N 4. Y 5. Y

(page 2)

3 1. Millions of text messages are sent by teenagers in a year.2. Our conversation was heard by a lot of people.3. The performance won’t be interrupted.4. Were the dishes washed (by anyone)?5. The computer wasn’t broken by Paul.6. Are the cups usually recycled?

CHALLENGE 4 Photocopiable © Burlington Books 4

ANSWERS: EXTRA PRACTICE

4 1. are used2. are introduced3. were purchased4. are thrown away5. are made6. will … be polluted7. will be collected8. will be resold9. will be recycled

10. will be given

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UNIT 8

(page 1)

1 1. feeling down 4. on the right track2. vanished 5. ignored3. slim

2 1. boast 6. made fun of2. promised 7. social life3. stand up for 8. instead of4. selfish 9. go on a date5. compromise

(page 2)

3 1. Bill said that his girlfriend called him every day.2. Jen admitted that she had never driven that car.3. The teacher warned the students that they had to read those instructions carefully.4. Fiona reminded me that she had sold her rollerblades a week earlier.5. The coach predicted that Tom would win the race the following year.

4 1. hadn’t seen 6. there2. that 7. could meet3. hadn’t been 8. would meet4. couldn’t go 9. had had5. then 10. the day before

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UNIT 9

(page 1)

1 1. spoon 4. roast2. bowl 5. fry3. bake 6. napkin

CHALLENGE 4 Photocopiable © Burlington Books 5

ANSWERS: EXTRA PRACTICE

2 1 s

2w e a p o n

3 s r

4w e a l t h y i

r n5 b a k

o n l6w i l d e r n e

7 s s

l e t

d8 a v o i d

r9 s q u e e z e

3 1. mustn’t 4. might2. shouldn’t 5. Could3. should

(page 2)

4 1. have to 4. shouldn’t2. don’t have to 5. may3. shouldn’t 6. have to

5 Accept all logical and grammatically correct answers.

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UNIT 10

(page 1)

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

2 1. suffer 4. poverty2. enthusiastic 5. acquire3. distraught

3 1. confront 5. hazard2. distressed 6. single3. minor 7. experience4. support 8. curious

(page 2)

4 1. don’t want 6. had written2. hide 7. haven’t spoken3. haven’t shown 8. promised4. found 9. don’t trust5. was reading 10. will look

5 1. Who has read my diary?2. What is making a noise?3. Where do you hide your diary?4. Who sits next to you in class?

6 Accept all logical and grammatically correct answers.

CHALLENGE 4 Photocopiable © Burlington Books 6