Are your books in the bookcase?做否定回答 It is in the room.改为复数句

问题描述:

Are your books in the bookcase?做否定回答 It is in the room.改为复数句

No, they aren't.
They are in the rooms.

No,they are not.
They are in the room.

No,they aren't.
They are in the rooms.