单数句:
1.Is the cat under the chair?No,it isn't.It is behind the door.
2.Is the photo in the drawer?No,it isn't.It is on the wall.
复数句:
1.Are the apples in the basket?No,they aren't.They are on the desk.
2.Are the books in the bag?No,they aren't.They are under the bed.
哈哈,不懂问》》》