Ответ:

упр.1

2. rock climbing

3. parachuting

4. snowboarding

5. motor racing

6. kayaking

упр.2

1. boring/bored

2. worried/worrying

3. frightening/frightened

4. interested/interesting

5. annoying/annoyed

6. embarrassed/embarrassing

7. excited/exciting

упр.3

1. I haven't been to Mexico.

2. She has eaten shark meat.

3. My brother has never spoken in public.

4. They have never tried skiing.

5. I have seen that film many times.

упр.4

1. you ever

2. have

3. went

4. haven't

5. went

6. went

7. enjoy

8. it was

9. were

10. many

11. too many