◎ 题干
---Do you know_______ the books on the shelves?
--- Sorry, I can’t count them, because there are _______books.
A. a number of; the number of     B. a number of; a number
C. the number of; a number of
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“---Do you know_______ the books on the shelves? --- Sorry, I can’t count them, because there are _______books. A. a number of; the number of B. a number of…”主要考查了你对  【助动词】【介词短语】【固定搭配】【疑问词组】  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。