◎ 题干
There is ________ useful book on the desk, _________ useful book belongs to my brother.
A.a; the B.an; the C.a; an D.an; a
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“There is ________ useful book on the desk, _________ useful book belongs to my brother. A.a; theB.an; theC.a; anD.an; a…”主要考查了你对  【定冠词(the)】【不定冠词(a,an)】【零冠词】  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。