—Where"s my watch? I can"t find it anywhere. —It _ _ in your bag

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—Where"s my watch? I can"t find it anywhere.
—It _     _ in your bag or under these books.              [     ]
A. might be
B. must be
C. mustn"t be

答案

举一反三

—Let"s go to the movies tonight.
—Sorry.  I      __ . I have to help my mother wash clothes.             [     ]
A. mustn"t
B. needn"t
C. can"t

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—This winter H1Nl has become very popular in our country.
—Don"t worry, it by our government. [ ]
A. must be control
B. can control
C. can be controlled

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—I like the party so much, but I        _ go home.  It"s too late.
—What a pity!               [     ]
A. have to
B. mustn"t
C. can

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—Jack. All the young trees____at once.
—OK. I"ll do it at once.[ ]
A. must be watered
B. must water
C. must be watering

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Another popular idea is that the Stonehenge       _ a kind of calendar.             [     ]
A. must be
B. can"t be
C. might be

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