—This pair of shoes belong to Jack. He likes this kind very much. —It _

题型：同步题难度：来源：

—This pair of shoes belong to Jack. He likes this kind very much.
—It __ be his. It"s too large for him. [ ]

A. can; can"t
B. may; needn"t
C. must; mustn"t
D. must; can"t

答案

举一反三

It"s the library!  So you           know shouting is not allowed here.[     ]
A. can
B. must
C. need
D. may

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—Can I go to the movie, Mum?
—Certainly. But you             be back by ten o"clock.   [     ]
A. can
B. may
C. might
D. must

题型：同步题难度：| 查看答案

—Whose shirt is this?
—It        ___ be Li Lei"s. It is too big for him.      [     ]
A. could
B. must
C. can"t
D. might

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—May we leave the classroom now?
—No, you            . You              to leave until the bell rings.    [     ]
A. must; are allowed
B. can"t; aren"t supposed
C. needn"t; aren"t allowed

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The magazine             be Lily"s. Look, her name is on its cover.             [     ]
A. may
B. might
C. could
D. must

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