作业自己写啦。
The students that/who singing in the hall are from Class 2.
Football is a game that/which is liked by most boys.
The book that/which I borrowed from the library last week is very interesting.
The man that/who ted has met in the street yesterday is an actor.
THE dress that/which my mother has bought for me last week is very nice.
I know the boy that/who can speak English well.
不敢保证全对,见仁见智吧