◎ 题干
________students are playing on the playground. ______students there is at least over 100.
A.A number of; A number ofB.The number of; The number of
C.A number of; The number ofD.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“________students are playing on the playground. ______students there is at least over 100.A.A number of; A number ofB.The number of; The number of C.A number…”主要考查了你对  【序数词】【小数】【分数】【量词】  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。