题目内容：

一the fish were not fresh.my mother bought them yesterday.
二the train broke down near Changsha.The train was going to Guangzhou.
三the river has been cleaned up.it used to be terribly polluted
四the old church was built in 1746.the old church was destroyed in the big fire
五she came to visit the children.their parents died in the war.
我知道意思,但就能变第五个把their去掉加上whose对吧!请帮我把其它的变为宾语从句谢谢!
是定语从句，我打错了！

优质解答

The fish that my mother bought yesterday were not fresh.
The train that broken down near Changsha was going to guangzhou.
The river used to be terribly polluted has been cleaned up.
The old church which built in 1746 was destroyed in the big fire.