Add tag questions to the following(làm câu hỏi đuôi)
1. thay want to come,....?
2. Elizabeth is a dentist,....?

3. they won't be here,...?

4. that is your umbrella,...?

5.There aren't many people here yet,....?

6. he has a bicycle,...?
7.Peter would like to come with us to the party,...?
8. those aren't Fred's books,....?

9. You have never been to Paris,....?

10. Something is wrong with Jane today,...?
11. Everyone can learn how to swim,....?
12. Nobody cheated in the exam,....?
13. Nothing went wrong while i was gone,...?
14. i am invited,....?
15. This bridge is not very safe,....?

16. these sausages are delicions,.....?
17. You haven't lived here long,.....?

18. The weather forecast wasn't very good,.....?

19. he'd better come to see me,....?
20. you need to stay longer,........?