英语题，要十个主动语态变被动语态的句子，谢谢了

1.lucy bought some fruit. Some fruit was bought by Lucy.

2.uncle wang waters the flowers every day.
The flowers are watered by Uncle Wang everyday.
3.did they build the bridge in 1998? Was the bridage built by them in 1998?

4.when did lu xun write these books? When were these books written by LuXun?

5.the famers don't grow apples on the farm.
Apples are not grown by the farmers on the farm

6.they didn't clean the classroom yesterday.

The classroom was not cleaned by them yesterday.
7.you can do the work all by yourself. The work can be done all by yourself.

8.we must plant more tress. More trees must be planted by us.

9.we should dig a large hole. A large hole should be dug by us.

10.can we put our bikes here? Can our bike be put here?