IV.

1. went

2. played

3. ate

4. took

5. had

6. didn't buy

7. didn't talk

8. didn't come

9. didn't close

10. didn't return

11. didn't eat

12. didn't go

13. weren't taken

14. didn't have

15. Were

16. did they play

17. did Hoa try

18. was talking

19. did they stop

20. did the students wear

VII.

1. How long did it take her to finish the composition ?

2. What do you often do in your free time ?

3. When do they go to the beach ?

4. How difficult was the homework yesterday ?

5. Who are planting some roses in the garden ?

6. Who will Liz send these letters to ?

7. Do you have magazines and newspapers ?

8. What does she learn about in biology class?

9. How often does your mother clean the house ?

10. How do the children in your town travel to school?

1. I (go)............went...............to Nha Trang two years ago.
2. Ba (play).............played.....................football yesterday.
3. I ( eat) ...............ate...................a lot of fish yesterday.
4. Her aunt (take)......took..................her to see Cham Temple last year.
5. Tuan ( have)............had....................a new bike yesterday.
6. She ( not buy)............didn't buy.....................a new ruler yesterday.?
7. He ( not talk).............didn't talk...................with his parents about his vacation in Da Lat last year.
8.Didn't  They ( not come).....come..............school yesterday?
9.Didn'tThe windows ( not close)..........close.....................yesterday?
10. We ( not return)................didn't return................at home at 7 pm last Monday.
11.She ( not eat)...........didn't eat.......................fish and crab yesterday.
12.Lan ( not go)..........didn't go.......................Ho Chi Minh city two years ago.
13.My parents ( not take)............didn't take......................to Vung Tau last week.
14.We (not have)...........didn't have.......................a lot of friends in Ha Noi
15.Were Lan and Hoa (be)..............................at your school two years ogo?
16.What did they ( play)....play............................last week?
17. What did Hoa (try).............try.....................on yesterday?
18. Who (talk).......did talk.....................................to about the film on TV last Monday?
19.Where did they ( stop)...........stop...................on their way back last Sunday?
20. What did the student (wear) .........wear..................................at school two years ago?