◎ 题干
----Have you seen _____ pen? I left it here this morning.
----Is it ____ black one? I think I saw it somewhere.
A.a, theB.the, theC.the, aD.a, a
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“ ----Have you seen _____ pen? I left it here this morning.----Is it ____ black one? I think I saw it somewhere.A.a, theB.the, theC.the, aD.a, a…”主要考查了你对  【不定冠词】【定冠词】【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。