改被动语态:Who cleaned the room?Who cleaned the room?Where did you see the film?They are watching the football match。The football match ____ ____ ____ by them.
问题描述：
改被动语态:Who cleaned the room?
Who cleaned the room?
Where did you see the film?
They are watching the football match。
The football match ____ ____ ____ by them.
答
Whom was the room cleaned by?
Where was the film seen by you?
is being wactched