Ответ:

1. is she?

2. didn't yoy?

3. am I not?

4. did he?

5. won't it?

6. haven't you?

7. hasn't she?

8. aren't they?

9. will they?

10. isn't he?

11. wasn't it?

12. doesn't he?

13. weren't they?

14. don't you?

15. do they?

16. can she?

17. can't they?

18. does he?

19. mustn't we?

20. must it?