摘要：27．He be in the restaurant. His car is just outside it! A．can B．can't C．must D．mustn't
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— Where’s David?
— He ______ be in the playground because he is fond of playing basketball.
A. will B. may C. can’t D. mustn’t
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----- Where is Jack?.
-----He______ be in the reading
room .I saw him just now.
A. need B. can C. must D. would
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—Is Mr. Green in the office?
—No, he ________ be in the office. Look, the light in the office is off.
A. mustn’t B. can’t C. needn’t D. may not
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