Fill the missing question tag.

1. did you?

2. am I?

3. does she?

4. aren't I?

5. is it?

6. did they?

7. have they?

8. didn't she?

9. didn't they?

10. was she?

11. hasn't she?

12. won't I?

13. should you?

14. wasn't he?

15. isn't it?

16. isn't she?

17. aren't I?

18. didn't she?

19. didn't they?

20. did he?