◎ 题干
—So many people there!What happened?
—A group of young people fought there.The police arrived,after             the situation
ecome calmer.
A.that
B.which
C.when
D.then
◎ 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“—So many people there!What happened?—A group of young people fought there.The police arrived,after the situation ecome calmer.A.thatB.whichC.whenD.then…”主要考查了你对  【状语从句】【限制性定语从句】【主语从句】【同位语从句】  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。