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速度解决下,谢谢

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The company had about 20 notebook computers but only one third _____ used regularly A.is B.are c.was D.were
速度解决下,谢谢
解题思路: 分数谓语动词的判断 选择
解题过程:
The company had about 20 notebook computers but only one third _____ used regularly
A.is B.are c.was D.were
解析:选 D .
一般来讲,分数作主语时,其谓语动词用单数还是复数由被修饰的名词决定,根据所提供的情景
about 20 notebook computers,可判断出one-third表示全部笔记本电脑的1/3,是复数。本句的时态是过去时,因此应该用were。
最终答案:略