1. were                                    2. felt                           3. had been                  4. would finish

5. would come                        6. had                          7. had left                    8. had come

9. would come                        10. had given              11. had arrived            12. had  not lost

13. had known                        14. would visit             15. were                      16. had heard

17. had helped                        18. found                    19. were                      20. would win

21. were                                  22. would telephone   23. would help            24. would come

25. would make                      26. would hurry          27. would open           28. had shown

29. would wait                        30. would write        

1 were

2 felt

3 were

4 finished

5 came

6 opened

7 left

8 came

9 came

10 gave

11 arrived

12 knew

13 didn't lose

14 visited

15 were

16 heard

17 helped

18 found

19 were

20 won

mình chỉ lm đc đến câu 20 do khúc sau mờ quá nha