◎ 题干
— You look pale. Did you sleep well?
— No. It was already midnight ____ I finished my homework.
A.beforeB.whenC.thatD.since
◎ 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“— You look pale. Did you sleep well?— No. It was already midnight ____ I finished my homework.A.beforeB.whenC.thatD.since…”主要考查了你对  【并列连词】【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。