◎ 题干
The boy looks stupid, but _____ he is smart.
[     ]
A. in a fact
B. as a fact
C. in a matter of fact
D. as a matter of fact
◎ 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“The boy looks stupid, but _____ he is smart. [ ]A. in a fact B. as a fact C. in a matter of fact D. as a matter of fact …”主要考查了你对  【介词和介词短语】  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。