◎ 题干

12.We have to study for a bright future, so we have to lose some sleep_________we're worn out.
A.in caseB.as thoughC.as long asD.even though
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“12.We have to study for a bright future, so we have to lose some sleep_________we're worn out.A.in caseB.as thoughC.as long asD.even though…”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。