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    The ground is wet. It have rained last night. A. can B. can’t C. must D. may 【查看更多】

     

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    The ground is all wet. It _________ last night.

    A. can’t have rained    B. may have rained    C. can have rained    D. must have rained

     

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    It _____ last night, for the ground is wet.
    [     ]
    A. must rain
    B. must have rained
    C. must be raining
    D. can't have rained

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