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    25．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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