题目内容

She is almost 2 hours lateShe is almost 2 hours late. What ________ to her?


  1. A.
    should have happened
  2. B.
    must have happened
  3. C.
    may have happened
  4. D.
    can have happened
D
在疑问句中表示推测，应使用“can”；是对过去情况的推测，所以使用can have done在疑问句中表示推测，应使用“can”；是对过去情况的推测，所以使用can have done。
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  1. A.
    on; for
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  1. A.
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  2. B.
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  3. C.
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  1. A.
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  2. B.
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  3. C.
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  1. A.
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  2. B.
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  3. C.
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The old photos you showed me last night ________ many memories of my childhood.


  1. A.
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Something must be done to ________ young people ________ smoking.


  1. A.
    stop, from
  2. B.
    make, not to
  3. C.
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  4. D.
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I was thinking of you, Keith, as I watched the sun ________ as a red orange ball from the dark horizon．


  1. A.
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  2. B.
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