题目

变被动语态 My father bought me a bike yesterday.This morning the postman deliered a letter.
The workers are building a naw subway door.
The thief was caught polie .
The headmaster has put the boy punished.
My sister made the cake.

提问时间：2020-10-05

答案

A bike was bought for me (bu my father) yesterday.
A letter was deliered by the postman this morning.
A naw subway door is being built by the workers.
The thief was caught by the police.
The boy has been put punished by the headmaster.
The cake was made by my sister.
()内的表示可以省略
多谢!
楼上第4题错了.