◎ 题干
—How many students are there in the classroom?
—_____ .I don’t know where they have gone.
A.No one.B.None
C.NobodyD.Nothing
◎ 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“—How many students are there in the classroom?—_____ .I don’t know where they have gone.A.No one.B.NoneC.NobodyD.Nothing…”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。