I

1. was

2. was

3. were

4. were

5. was not

6. was not

7. was not

8. were not

9. was not

10. Was/ wasn't

11. Was

12. were

13. were, were

14. was

15. was

II

1. went

2. played

3. ate

4. took

5. had

6. Did she buy

7. didn't talk

8. Did they come

9. Did the windows close

10. didn't return

11. didn't eat

12. didn't go

13. didn't take

14. didn't have

15. Were Lan and Hoa

16. did they play

17. did Hoa try

18. talked

19. did they stop

20. did the student wear

1

1was

2was

3was

4were

5did not cold

6 was not

7was not

8were not

9was ,wasnot

11 was

12were

13was

14was

15was

2

1went

2played

3ate

4took

5had

6 didnot by

7didnot talk

8didnot come

9did not close

10did not re

turn