B)

1/

1. A. laughter

2. D. watched 

3. C. butcher

4. B. chaos

5. C. together

2/

6. B. cartoon

7. D. extinct.

8. A. violence

9. C. television

10. A. interesting

C)

1. C. did they

2. D. mind

3. A. white

4. D. the prettier

5. D.in

6. A. no idea

7. D. beautiful

8. C. none of

9. A. to speak

10. C. actively

11. B. as far as

12. B. the other

13. C. was

14. A. The/x/the/the

15. a nine-to-five job

16. C. saying

17. B. come up with

18. C. limit

19. D. Can I leave a message then?

20. A. Thanks. Without your help, I wouldn't have.

II/

1. will have seen

2. finish

3. will have done

4. having treated

5. to answer.

6. is broadcasted

7. travelling

8. were running

9. being taken

10. are

III/

1. depression

2. generousity

3. geological

4. unforgettable

5. contribution

6. accessible

7. comfortably

8. unsatisfactory