◎ 题干
 I don’t become a serious climber until the fifth grade, ______ I went up to rescue a kite that was stuck in the branches of a tree.
A.when B.where C.which D.why
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“I don’t become a serious climber until the fifth grade, ______ I went up to rescue a kite that was stuck in the branches of a tree.A.whenB.whereC.whichD.why…”主要考查了你对  【限制性定语从句】【非限制性定语从句】  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。