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    精英家教网 > 高中英语 > 题目详情

    Our school has about 100 computers, but only sixty percent ____ used regularly.

    A．is B．are C．was D．were

    B

    解析试题分析：考查主谓一致和时态：句意：我们学校有100台电脑，但是只有60%正在经常使用。根据句意可知60%指的是电脑，百分比修饰的动词决定后面的谓语，所以谓语是复数，根据第一句话可知时态是一般现在时。选B。
    考点：考查主谓一致和时态

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