--Do you know _____ this dictionary belongs to ?--Let me see. Oh, it’s _____.
I had a bad cold. The doctor asked me ______ in bed for a good rest.
My brother hurt his ______ yesterday. He can’t walk now.
—Go and ask Mr Green for help.—But I don’t know ______.
Money is important ______ it’s not the most important thing.
—Whose shirt is this?—It ______ be Li Lei’s. It is too big for him.