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    精英家教网 > 高中英语 > 题目详情
    Every possible means ________, but the teacher as well as the students ________ found a solution to the problem yet.
    A．has been tried; hasn’tB．has tried; haven’t
    C．have tried; haven’tD．have been tried; hasn’t
    A
    考查主谓一致。means单复同形，与every修饰，谓语动词用单数；as well as连接两个主语，谓语动词与前一个主语保持一致，故选A。
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