Exercise 1 Page 35

1. He is on the mountains.

2. He is climbing.

3. I don't know that.

Exercise 3 Page 35

1. C

2. E

3. D

4. A

5. B

Exercise 4 Page 35

1. Was shining

2. First

3. All of a sudden

4. Eventually

5. Unfortunately

6. Do it again

7. That sounds frightening

8. Nightmare

Exercise 1 Page 38

1. Fix

2. Open

3. Get

4. Go

5. Visit

6. Click

Exercise 2 Page 38

1. Development

2. Network

3. Date

4. Discovery

5. Imagine

6. Scientist

Exercise 4 Page 38

1. Live

2. To go

3. I didn't use to like

4. Did

5. Use

6. Buy

Exercise 5 Page 38

1. B

2. A

3. B

4. B

5. C

Exercise 6 Page 38

1. Put, give

2. Off, on

3. Do, carry

4. Watch, follow

5. Around, out

6. Get, go