Students have part-time jobs．
A. not should be allowed to B. should be not allowed to
C. should be allowed not to D. should not be allowed to
—Is your cousin good at his studies?
—He should be, but he _______ not. He spends too much time on computer games.
A. must B. can C. may D. need
I didn’t pass the test．I think I have spent too much time playing computer games recently．
--I agree．You play like that any more．
A. needn’t B. mustn’t C. may not D. wouldn’t
---Vangul’s paintings are very abstract（抽象的）. Can you tell what this painting is about?
--- Oh, it’s hard to say. I think it ______ be a man riding a horse.
A. might B. can C. must D. should
---Must I return the magazine to you right now, Sandy?
---No, you _____.You may keep it until next Wednesday.
A. needn’t B. can’t C. must D. may
--What would you send to your sister as the Christmas gift?
--I haven't decided yet．I _________ send her a hand bag．
A. shall B. may C. must
