英语 主动改被动并翻译...

题目

英语 主动改被动并翻译...
I have left my umbrella at home.
They wrote letters of thanks to all their friends.
They did not buy the computer in this store.
Did the teacher criticize him for his carelessness?
Is someone repairing the radio?

答案

1.My umbrella has been left at home by me.我的雨伞（已经）被我忘在家里了.2.All their friends were written letters of thanks by them.他们的所有朋友都被他们写了感谢信.3.The computer in this store was't ...