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It was________great shock to the world that two aero-planes crashed into ______World Trade Center in New York o September 11th, 2001.
A.a; /B.a; theC.the; theD./; the
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◎ 知识点
    根据n多题专家分析,试题“It was________great shock to the world that two aero-planes crashed into______World Trade Center in New York o September 11th, 2001.A.a; /B.a; theC.the; theD…”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。