1. My uncle has taught for twenty years at a      (当地的)school.

20. 大家都喜欢这本书。

The book_________  _________  ________ everyone.

19. 韩梅每天读很多书吗？

       a lot of reading      by Hanmei every day?

18. 这个老师每天给我们很多作业。

Much homework________  __________  _________ us by the teacher every day.

17. 你的手机是国产的吗？

       your mobile phone__________  __________ China?

16. 英语老师经常使用录音机。

Recorders      often__________  _______ English teachers.

15. Tea is grown in the south of China.(改为一般疑问句）

       tea       in the south of China?

14. Does she often look after the old woman?(改为被动语态）

       the old woman often              after by her?

13. The trees are watered by them once a week.(改为主动语态）

              the trees once a week.

12. The bike is mended by Uncle Li(对画线部分提问）

              the bike mended by?