◎ 题干
Some exercises appear to be ____ ones you have done, but on ____ second thoughts, you'll find that they're different.

A.  /; the
B.  the; /
C.  the; a
D.  /; /
◎ 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“Some exercises appear to be ____ ones you have done, but on ____ second thoughts, you'll find thatthey're different.[ ]A. /; the B. the; / C. the; a D.…”主要考查了你对  【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。