◎ 题干
    
21. Every minute should he made full use of_______our lessons. ?
A.studyingB.to studyC.studyD.being studied?
◎ 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“21. Every minute should he made full use of_______our lessons. ?A.studyingB.to studyC.studyD.being studied?…”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。