Listen! Someone is knocking at the door. Who _____it be?—It_____be Tom. He phoned to visit me this evening.

May I borrow this dictionary ? —Sorry. This is not _____. It’s Lily’s .

Can I wear any clothes I like to school?—No, you can’t. You ___ wear a uniform.

Is there a library in Gaochun? — Yes, a new library _______ and is now open to the public.

is Dale,brother.