◎ 题干
Some of the exercises appear to be ________ ones that you have done, but after taking ________
second look, you will find that they are different.
[     ]
A. 不填; the  
B. the; the  
C. the; a  
D. the; 不填
◎ 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 of the exercises appear to be ________ ones that you have done, but after taking________second look, you will find that they are different. [ ]A. 不填; t…”主要考查了你对  【不定冠词】【定冠词】  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。