1. sang

2. was/were ( как хотите :D )

3. played

4. had you

5. doesn't scared (перепроверь это)

6. (незнаю)

7. doesn't know (перепроверь)

8. left

9. (незнаю)

10. frightened, checked

11. got

12. crashed, played

13. was, don't tell

14. dont seen

15. jumped, made, crashed

16. appeared

17. dont reached, played

18. thought

19.had, hadn't

20. shut, remembered