◎ 题干
— What is our head teacher like, do you know? 
— Oh, he is very kind _____ he looks very serious.
[     ]
A. because
B. though
C. if
D. when
◎ 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“—What is our head teacher like, do you know?— Oh, he is very kind _____ he looks very serious. [ ]A. because B. though C. if D. when …”主要考查了你对  【从属连词】  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。