◎ 题干
They were all asleep. _____ of them heard the sound.
[     ]
A. Both
B. All
C. None
D. Neither
◎ 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“They were all asleep. _____ of them heard the sound. [ ]A.BothB. AllC. NoneD. Neither …”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。