有几道英语题不会，大家帮助一下。都是现在完成时和被动语态的题

题量过多，恕不解释。
保证准确率！

1. How many times had the students been to the Science Museum by the end of last term?
2. What (did) you (do) yesterday?
3. Where (did) you (buy) that coat?
4. had planted
5. if/whether, would come或was coming
6. reached
7. doesn't rain
8. have lived
9. --I hear your sister have married. Really?
--Yes, she has been married for five years.
10. --Has your brother joined the army?
--Yes, he has
--When did he join the army?
--In 2000. He has been in the army for five years.
11. is spoken
12. was liked
13. will be taken 或 is going to be taken
14. can be used
15. is being painted
16. has been translated
17. is called
18.l was asked
19. is spoken
20. are held
21. will be shown 或 is going to be shown
22. was visited
23. is called
24. were
25. were given
26. He was called "clever"Hans.
27. was seen to