—May we leave the classroom now? —No, you . You to lea

题型：同步题难度：来源：

—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

答案

举一反三

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

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These books _____ out of the reading room.  You have to read them here.             [     ]
A. must be taken
B. can"t take
C. can take
D. mustn"t be taken

题型：同步题难度：| 查看答案

Your mother looks a bit disappointed. You           have told her the truth.     [     ]
A. do
B. must
C. can
D. want

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—The room is so dirty. _____ we clean it?   "
—Of course.    [     ]
A. Let"s
B. Would
C. Do
D. Shall

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You mother looks a bit disappointed. You               have told her the truth.         [     ]
A．should
B．must
C．can
D．will

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