◎ 题干
______, the concert began.
A.The listeners having taken their seatsB.Having taken their seats
C.Having taken their placesD.Taking their seats
◎ 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 concert began.A.The listeners having taken their seatsB.Having taken their seatsC.Having taken their placesD.Taking their seats…”主要考查了你对  【独立主格结构】  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。