◎ 题干
The students are too _____ to keep their eyes open in class because of staying up late.
A.sleeping B.asleep C.sleep D.sleepy
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“The students are too _____ to keep their eyes open in class because of staying up late.A.sleepingB.asleepC.sleepD.sleepy…”主要考查了你对  【形容词的比较级,形容词的最高级】【时间副词】【地点副词】【副词】  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。