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    The new airport if they had not stopped working on it. A. would complete B. had been completed C. had completed D. would have been completed 答:D.从句为过去完成时.主句应用“would+现在完成式 .表示与过去事实相反的虚拟语气. 【查看更多】

     

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    The new airport___________ if they had not stopped working on it.

    A. would complete　　 B. had been completed

    C. had completed　　 D. would have been completed

     

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    The new airport _____ if they had not stopped working on it.

    A. would complete　　　　　　　 B. had been completed　　　

    C. had completed　　　　　　　 D. would have been completed

     

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