题目内容
改错。下面各句的A、B、C、D中有一项错误,请指出并改正。
They playing football at school now．( )________
A B C D
She is sings in the room．( )________
I want to be a exchange student in America．( )________
What do he look like?( )________
My friend can play piano very well．( )________
