◎ 题干
Shirley had to buy ________ these CDs because she didn't know which one to take.

[     ]

A. all
B. none
C. each
D. both
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Shirley had to buy ________ these CDs because she didn't know which one to take. [ ]A. all B. none C. each D. both …”主要考查了你对  【不定代词】  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。