Помогите решить, пожалуйста)

Question

Помогите решить, пожалуйста)

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Answer 1

19. with.
20. on.
21. usually plays.
22. has gone.
23. haven't had.
24. Have you been running?
25. for 6 months.
26. went.
27. is writing.
28. hadn't flown.
29. Did they have.
30. I'll help.
31. if I am.
32. was having.
33. starts.