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    It is impolite the people when they are in trouble. A. to laugh to B. to laugh at C. laughing to D. laughing at 【查看更多】

     

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    It is impolite _____ the people when they are  in trouble.  
    [     ]
    A. to laugh to
    B. to laugh at
    C. laughing at
    D. laughing to

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