◎ 题干
He doesn't read the English text very often. ______ he has failed again.
[     ]
A. It is why
B. That's because
C. It is reason
D. That's why
◎ 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“He doesn't read the English text very often. ______ he has failed again. [ ]A. It is why B. That's because C. It is reason D. That's why …”主要考查了你对  【表语从句】  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。