1. B -> frightened
2. C -> were taken
3. A-> were helped
4. B -> composed
5. D -> announced
6. A -> bỏ
7. C -> was
8. C -> accompanied
9. A -> was given
10. C -> worried
11. D -> happened
12. B -> to go to
13. B -> to have worked
14. B -> allowed
15. C -> serviced
16. C -> were
17. B -> bỏ
18. A -> a written
19. C -> got torn
20. D -> broke