◎ 题干
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Whenever you enter the reading room, you can find all the students _____ at their desks, with their attention _____ on the books, except Tom.
A.sitting, fixingB.to sit, fixedC.seating, fixingD.seated, fixed
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“.Whenever you enter the reading room, you can find all the students _____ at their desks, with their attention _____ on the books, except Tom. A.sitting, fixin…”主要考查了你对  【现在分词的被动式】【现在分词】【不定式的被动式】【过去分词】  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。