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    They the train to Beijing. Otherwise, they would have returned home. A. need have caught B. must have caught C. must catch D. may catch 【查看更多】

     

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    They ______ the train to Beijing. Otherwise, they would have returned home.

    A. need have caught    B. must have caught   C. must catch     D. may catch

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    They ______ the train to Beijing．Otherwise, they would have returned home．

    A．need have caught                                     B．must have caught

    C．must catch                                             D．may catch

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     They ______ the train to Beijing．Otherwise, they would have returned home．

           A．need have caught                              B．must have caught  

           C．must catch      D．may catch

     

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