英语练习求助.一:将下列句子改为被动语态.1:They are repairing my computer at the

你好,为你的解答如下：
1:They are repairing my computer at the moment.
My computer is being repaired by them at the moment
2:They will ask you several questions.
You will be asked several questions by them
3:People mustn't leave bicycles in front of the hall.
The bicycles of people mustn't be left in front of the hall
4:Who wrote it?
Whom is it written by?
5:They waste a lot of time discussing unimportant things.
A lot of time is wasted by them discussing unimportant things
6:Didn't they tell you to be here by seven o’clock?
Weren't you told by them to be here by seven o'clock
7:We have talked about this topic for years.
This topic has been talked by us for years
8:People believe that he is honest.
It is believed by people that he is honest
9:The teacher made Tom copy the text one hundred times.
Tom was made to copy the text one hundred times by the teacher
10:We are going to paint the wall white.
the wall is going to be painted by us
11:Has someone posted my parcel?
Has my parcel been posted by someone
12:She showed me a picture of her family.
A picture of her family was showed by her
13:You should make good use of your spare time.
Your spare time should be made good use of by you
14:You needn’t type this letter.
This letter doesn't need to be typed by you
15:They used to stare these machines by hand.
These machines were used to be stared by their own hands.
二:翻译题 (用被动语态).
1:那个城市又办了一所大学.
Another university was built by the city
2:这个问题明天下午能解决吗?
Can this problem be solved tomorrow afternoon?
3:这门锁不上.
The door cannot be locked
4:孩子们得到了很好的照顾.
The children are looked after well
5:新医院将提前竣工.
The new hospital is going to be finished in advance
辛苦.
希望能帮到你~

1:因为不知道该如何做,她不得不求助于老师. 2:那栋正在建设中的楼房是个knowing nothing to do,she ask the teacher for help. the building under