◎ 题干

23.Robert made a call to his parents yesterday afternoon. To his disappointment, ____of them answered it.
A.either B.bothC.noneD.Neither
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“23.Robert made a call to his parents yesterday afternoon. To his disappointment, ____of them answered it.A.either B.bothC.noneD.Neither…”主要考查了你对  【人称代词】【相互代词】【疑问代词】【关系代词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。