—____, Tom. Is this your pen? —No, it isn’t. I think 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.