◎ 题干
When _____ why he walked in _____ permission, he just _____ at us and said nothing. 
A.asked;without;staredB.been asked;with;looked
C.asking;without;glaredD.to be asking;with;laughed
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“When _____ why he walked in _____ permission, he just _____ at us and said nothing.A.asked;without;staredB.been asked;with;looked C.asking;without;glaredD…”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。