=>

III

1. B

2. A

3. C

4. A

5. D

6. C

7. D

8. B

9. C

10. A

11. to school 

12. B

13. B

14. D

15. C

16. A

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IV

1. If children sit in front of the computer all the time,  they will have many health problems.

2. Collecting things is the most interesting in life.

3. She does not chat with her gaming friends anymore.

4. I'll make a call with her tomorrow evening.

5. He is not old enough to see the horror film.

6. If she worked hard, her exam score wouldn't be low.

7. Tom is the most generous boy I've ever seen.

8. Peter is an excellent football player.

9. The old man made a recovery very slowly.

10. This is the first time she has ever been to that place.

1b

2a

3b

4b

5d

6a

7b

8b

9c

10a

11d

12a

14d

15a

16a