I
1. A
2. B
3. D
4. C
5. D
6. C
7. B
8. A
9. A
10. D
11. B
12. A
13. Practices
14. are chatting
15. going
16. play
II. A
1. F
2. T
B.
1. Vietnam students always wear school uniform
2. No, there are not
3. They have one 20- minute break each day
III
1. Minh always goes swimming every afternoon
2. My sister is doing the housework at the moment
3. We sometimes play marbles at recess
4. Let's go to the movie
5. What about listening to music?