◎ 题干
Simon thought his computer was broken _____ his little brother pointed out that he had forgotten to turn it on.

A. until
B. unless
C. after
D. because
◎ 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“Simon thought his computer was broken _____ his little brother pointed out that he had forgotten to turn it on. [ ]A. until B. unless C. after D. because …”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。