Помощь с домашкой

1. is singing
2. will be
3. has been playing
4. have had
5. hasn't scared
6. Did Fred bear pop up and scared you to death last night?
7. didn't know
8. leaves
9. is always complaining
10. frightens / checks
11. got / had already gone and
12. crashed when I was playing
13. was / hadn't told him
14. haven't seen
15. jumped up / made / crashed
16. Will / appear
17. I didn't reach the next level, but I was playing very well yesterday.
18. always thought
19. has / doesn't have
20. shut down / remembered