—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
- Look! The man at the gate __be our headmaster. He is always standing there every morning.
- No, it ________ be him. He is holding a meeting in the office now.
A. must, can’t B. must, mustn’t C. can’t, can’t D. can’t, mustn’t
