Ответ:

1. are

2. been

3. не видно

4. went

5. Did you have

6. was

7. didn't spend

8. wanted

9. не видно(предпологаю went)

10. was

11. Did you hear

12. didn't know

13. не видно

14. told

15. не видно

16. am want

17. Did you buy

18. booked