[参考答案]动词的时态 基础练习

1. hasn't left

2. saw

3. haven't met

4. has fallen

5. will live

6. went

7. have worked

8. have been studying

9. had been

10. didn't married

11. are to survive

12. graduates

13. depends

14. didn't mention

15. write

16. had

17. hates

18. was sold

19. have

20. would sign