wb3

UNIT 3

Page 20

1.

1. gas explosion 2. collecting litter 3. forgotten about it 4. to a yoga class 5. ignore

2.

1. weight 2. coast 3. occurred 4. effective 5. innovative 6. spread 7. fought to 8. environmentally-friendly

3.

1. personal 2. famous 3. dependable 4. valuable 5. creative 6. environmental 7. dangerous 8. considerate

4.

1. considerate 2. dependable 3. personal 4. environmental 5. valuable 6. famous 7. dangerous 8. creative

PAGE 21

5.

1. laptop 2. device 3. search engines 4. breakthrough

6.

1. come up with 2. shut down 3. crash 4. download 5. start up

7.

1. start up 2. made...progress 3. innovative 4. breakthrough 5. conducting experiments 6. dangerous 7. deal with

GRAMMAR Page 22

1.

1. won't be ready 2. am going to finish 3. I'll have 4. isn't going to stop 5. will save

2.

1. will be 2. are you going to do 3. will call 4. is going to die

3.

1. is starting / is going to start, will be 2. aren't seeing / are going to see, will understand 3. is leaving, are taking / are going to take 4. isn't going / isn't going to go, won't be 5. are...buying, won't need

4.

1. On the 20th of the month, I will have lived here for a year. 2. Tomorrow at this time I will be sitting on the bench. 3. He won't have finished his homework before that. 4. We will be having a big family party on her birthday. 5. They think that by the end of the decade, they will have found a cure for the disease.

PAGE 23

5.

1. holds 2. will be working 3. will ... be using 4. will continue 5. will have...been accepted 6. will get 7. will have

6.

1. By the end of the race, the runner will have run for two hours. 2. I think it is going to rain tonight. 3. The kettle is boiling. I am going tomake the tea. 4. What are you doing next summer? / What are you going to do next summer? 5. Don't call me between 8 and 10. I will be watching my favourite show.

7.

1. La medicina experimentará un gran avance en el próximo siglo. 2. Vamos a limpiar la playa tras el vertido/derrame de petróleo. 3. Jamie se hará famoso después de que lance este disco. 4. Para el año 2030, habrán inventado un artilugio para hacer deberes. 5. Voy a apagar el ordenador. Nadie lo está usando.

8.

1. will...have 2. will...want 3. have owned 4. was playing 5. had played 6. hear 7. will buy 8. are 9. Are...thinking

SKILLS

1.

1. up-to-date 2. out-of-date 3. multip-purpose 4. accurate 5. efficient 6. long-lasting 7. foolproof

2.

1. user-friendly 2. practical 3. complicated 4. reliable 5. convenient 6. latest

3.

1. b 2. a 3. a

4.

1. in both pictures 2. the pictures are different because 3. while 4. more...than

WRITING Page 25

1.

1. very / extremely 2. slightly / a bit 3. terribly / extremely 4. fairly / pretty 5. slightly / a bit

2.

1. terribly / very / really 2. extremely / fairly / terribly / very / really / pretty 3. Luckily 4. really 5. pretty / fairly / very 6. quickly

EXTRA READING Page 26

1.

1. II 2. IV 3. I 4. III

2.

1. miss when they are in hospital for a long time 2. connect a hospitalised student to his or her classroom 3. signals that he orshe wants to aska question 4. to be in hospital

3.

1. b, 2.c

4. 1. attend, 2.raise, 3. hang out

CHECK YOUR PROGRESS Page 27

1.

1. set on fire, occurred 2. out-of-date, latest 3. came up with, practical 4. productive, cleaned up 5. crashed, started...up 6. dangerous, weight

2.

1. no longer 2. innovative 3. realiable 4. deal with 5. solve 6. conduct 7. valuable 8. creative 9. long-lasting

3.

1. will have, is giving 2. are goinog, will be 3. is going to try, will accept 4. am going to have,won't feel

4.

1. won't ... be going, will be taking 2. will be working, will have become 3. will have started, will...be showing

5.

1. Luckily 2. fairly / terribly / extremely / a bit / pretty / really 3. fairly / pretty 4. absolutely 5. fairly / slightly / a bit / pretty