is it you who broke the glass?

Is it you who broke the glass is it you who broke the glass? who broke the glass?the dog broke.改错 .___ it be Li Ping who broke the glass?No.It __ be Wang Hai 29.___ it be Li Ping who broke the glass?No.It __ be Wang Ha 38页4.I wonder who broke the glass ; it ----Tom for he was ou ~Who broke the glass? ~I suppose it must be one o ________ it be Li Ping who broke the glass?A Cou It was _______ broke the glass. The window is broken.Try to () who broke it. The window is broken.Try to ( ) who broke it. Who broke the glass?改为被动语态为什么是Who was the glass broken by?