Unit 6 p. 62-67

Exercise 1(p.62)

2. He'd not met her before.
3. She'd already seen it.
4. It had already begun.
5. They'd eaten everything on the table.
6. He'd forgotten his wallet.
7. She'd lost his address.
8. The match had already started.
9. He'd not tried it before.
10. She'd left it on the bus.

Exercise 2(p.62)

2. Because he'd not heard the alarm clock.
3. Because he'd forgotten his keys.
4. Because she'd heard a good joke.
5. Because his girlfriend left him.
6. Because she'd already read it.

Exercise 3(p.63)

1. invented
2. thought
3. had developed
4. had worked
5. had to
6. got
7. explained
8. had been
9. had appeared
10. became

Exercise 4(p.63)

1. workout
2. operation
3. blind
4. deaf
5. disabled
6. sign language

Exercise 5(p.63)

1. broccoli    electronics    recycle
2. inspiration    invention    simplify
3. advantage    material    soldier
4. disabled    operation    language
5. science    exercise    fascinate
6. strength    translator    interested

Exercise 6(p.63)

1. become interested
2. do exercises
3. recover your strength
4. make a sign
5. put on a helmet
6. think of an idea

Exercise 7(p.63)

2. computer screen
3. fast food
4. sign language
5. workout

Exercise 8(p.63)

award because design explain translate

bottle helmet soldier science system workout

Exercise 1(p.64)

2. He used to be a diver.
3. She used to be a soldier.
4. He used to be a painter.
5. She used to be an aerobics instructor.
6. He used to be a musician.

Exercise 2(p.64)

1. didn't use to
2. used to
3. used to
4. used to
5. didn't used to
6. used to
7. used to

Exercise 3(p.65)

3. The UK didn't use to recycle much rubbish, but it does now.
4. She used to drink coffee, but she doesn't now.
5. We used to play cards, but we don't now.
6. My shoes didn't use to wear out quickly, but they do now.
7. I didn't use to send email, but I do now.
8. He didn't use to like salsa, but he does now.
9. She used to have long hair, but she doesn't now.
10. There didn't use to be lots of recycled products, but they do now.

Exercise 4(p.65)

1. What's a bicycle tyre made of? It's made of rubber.
2. What's a book made of? It's made of paper.
3. What's a comb made of? It's made of plastic.
4. What are gloves made of? They're made of wool.
5. What are knives made of? They're made of metal.
6. What are shirts made of? They're made of cotton.
7. What are tables made of? They're made of wood.

Exercise 5(p.65)

2. juice carton
3. car tyre
4. computer printer
5. shopping basket
6. yoghurt pot

Exercise 6(p.65)

2. play cards
3. spend time
4. carry a basket
5. watch TV
6. write a letter

Exercise 7(p.65)

1. from
2. out
3. away
4. of
5. into

Exercise 8(p.65)

construct consume produce resource

carpet carton printer product ruler

Exercise 1(p.66)

1. was invented
2. was made
3. was printed
4. was designed
5. was called
6. was first seen
7. were sold
8. was developed
9. was developed
10. were sent

Exercise 2(p.66)

1. was invented - f. were discovered
2. - d. were written
3. was developed - g. was called
4. - a. was recorded
5. was built - e. weren't used
6. - b. was called
7. - c. was powered

Exercise 3(p.67)

2. The car was driven by the elephant.
3. The bicycle was ridden by the dog.
4. The horses were trained by the monkey.
5. The snake was bitten by the camel.
6. The ice cream was eaten by the polar bear.

Exercise 4(p.67)

2. do damage
3. draw up a list
4. put into practice
5. sketch a design
6. swim underwater

Exercise 5(p.67)

Director, inventor, artist, engineer, soldier, designer, diver, carpenter

Exercise 6(p.67)

2. flying machine
3. internal combustion
4. light bulb
5. parachute jump

Exercise 7(p.67)

built, design, highly, light, listener, thought, whether.

Exercise 8(p.67)

institute internal replica serious

carpenter combustion connection museum designer powerful vehicle

Unit 5 p. 58-61

Unit 6 p. 68-69