将主动语态改为被动语态.1.They are building a new bridge over the river.2.The postman delivered a

题目

将主动语态改为被动语态.1.They are building a new bridge over the river.2.The postman delivered a
将主动语态改为被动语态.
1.They are building a new bridge over the river.
2.The postman delivered a newspaper this morning.
3.My mother gave me a present yesterday.
4.The police have arrested the thief.
5.He was typing a letter.

答案

A new bridge is being built over the river by them.A newspaper was delivered by the postman this morning.A present was given to me by my mother.The thief has been arrested by the police.A letter was b...