I.

1. D

2. A

3. C

4. C

5. C

II.

1. B

2. D

3.A

4. B

5. D

6. ALL ARE INCORRECT

7. C

8. C

9. B

10. D

11. C

12. A

13. C

14. D

15. B

III.

1. to stop

2. visited

3. is going to rain

4. working

5. have broken

6. Have you done

7. is playing

8. shouldn't make

9. covers

10. locks

IV.

1. At a small school.

2. About the seasons of the year.

3. He asked Tom if he could tell him the best time of apples..

4. No information 

5. Yes, he did

V.

1. different 

2. fishing

3. successful

4. entertainment

5. volunteer

6. interesting

7. pronunciation

8. orphanage

9. comfortable 

10. household

VI.

1. for -> since

2. many -> much

3. do -> try

4. among -> between

5. have -> take

VII.

1. His

2. as

3. were 

5. money

6. in

7. was

8. he

9. about

10. age

VIII.

1. from, to

2. on, with 

3. with

4. from

5. in

6. at

7. from

8. for

9. to

10. with

IX.

1. I don't eat as much socola as her.

2. Vinh is always forgeting his homework.

3. It's very important to keep the enviroment clean.

4. Lan wasn't helped to do the homework.

5. I haven't spoken to her for three years.

6. Tam used to type fast than now.

7. When did you use your car?

8. We have lived here for 15 years.

9. How about meeting inside the centre at the cafe corner?

10. Nam is strong enough to do heavy work.