Benny was washing his face and the tap was on(改为同义句)

Benny was washing his face and the tap was on(改为同义句)Benny was washing his face_______the tap______.The old man saw no one in the room(改为同义句)The old man____see_____in the room.I was talking to my sister just now.（对my sister提问）_____ ______you talking to just now.We were very surprised when the girl lifted the box.（改为同义句）We_____when the girl lifted the box.