⑴Where's my father?
⑵Is that your crayon?
⑶Look at my new skirt.
⑷Is Mike behind the door?
⑸Don't eat in the library.
A. I'm sorry.
B. It's beautiful.
C. No, it isn't.
D. He's beside the desk.
E. No, he isn't.
Where's my ? Oh, it's the door. Is the on the desk (课桌)? , it is. What about the rubber?
— ______. It's under my desk.
—The bird is ______ the tree.