用括号内所给的词的正确形式填在横线上.1.The trees

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1 are watered
2 are used
3 were taken
4 were invited
5 was built
6 was broken
7 was invented
8 was bought
9was cloned
10 wasn't sent
11be.bought
12 be done.Be finished
======以下答案可供参考======
供参考答案1:
1.were watered
3.were taken
4.were invited
……都是被动式
供参考答案2:
1. are watered （因为是常态所以be 动词用现在式）
2. are ; used （理由同上）
3. were taken
4. were invited
5. was built
6. was broken
7. were invented
8. was; bought
9. was; cloned
10. wasn't sent11. be bought12. be done; be finished