—Look at that girl! Is it Susan?
—No, it _____ be her. She has gone back to her hometown.
A. mustn’t B. can’t C. needn’t
—Do we have to finish our homework this afternoon?
—Yes, you ________.
A. must B. can C. may D. need
--- What will the weather be like tomorrow?
--- It ______ be rainy, cloudy or sunny. Who knows?
A. must B. might C. shall D. should
—_____ I have a ticket , please?
—Sorry, sir. All the tickets were sold out ten minutes ago.
A. May B. Need C. Must D. Should
—I don’t care what my teachers think．
—Well，you________．
A. could B. would C. should D. might
They _________ play football last Friday because Simon forgot to bring his football here.
A. could B. couldn’t C. can’t D. can
