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     ---_______ one and a half months enough for the project to be finished?

      ---I am afraid not. The professor is ill and only after he recovers ________ go on with it.

    A. Is; he can              B. Are; he can                  C. Is; can he                    D. Are; can he

     

    【答案】

    C

    【解析】

    试题分析：句意：这个项目完成一个半月足够了吗？--恐怕不能。教授生病了，只有他恢复了才能继续。第一空需要be动词，主语是one and a half months表示一段时间，谓语用单数，所以排除BD，第二句话是only+时间状语从句在句首，后面用部分倒装，can放在主语前面，所以选C。

    考点：考查主谓一致和倒装句

     

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