◎ 题干
English is ________ useful language so that most people speak it as ________ second language.
A.a; theB.an; theC.an; aD.a; a
◎ 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“English is ________ useful language so that most people speak it as ________ second language.A.a; theB.an; theC.an; aD.a; 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。