用所给的动词的被动语态填空

题目

用所给的动词的被动语态填空
1.Many thousands of trees ____(plant) every year.
2.--What a nice picture?
--Thank you.It ____(draw) on my 15th birthday.
3.This is Ted's photo.We miss him a lot.He ____(kill) trying to save a child in the earthquake.
4.The medicine ____(must keep) in cool,clean and dry places.
5.The lost boy ____(find) this morning.
6.When and where to build the new factory ____(not decide) yet.
7.Why hasn't anything ___(do) to make the river clean?
8.Another new road ____(build) here next year.
9.Mor than 100 lives ____(save) by the doctor since he bagan to work.
10.Please wait a minute.Your bike ____(mend) now.

答案

1 are planted2 was drawn3 was killed when4 must be kept5 was found6 have not been decided7 been done8 will be built9 have been saved10 is being mended哪题不懂可以再问我!