Ответ:

1. doesn't he
2. isn't he
3. does he
4. doesn't he
5. isn't she
6. aren't they
7. is he
8. isn't she
9. doesn't she
10. won't she
11. is she
12. don't we
13. can't she
14. does he
15. do they
16. does she
17. does he
18. don't we
19. do i (?)
20. does she