◎ 题干
—The light in his room is still on. Do you know _______?
—In order to get ready for the coming exam.
A.why he stays up so lateB.if he works hard
C.what he is doingD.when he will stop working
◎ 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“—The light in his room is still on. Do you know _______?—In order to get ready for the coming exam.A.why he stays up so lateB.if he works hardC.what he is doi…”主要考查了你对  【宾语从句】  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。