◎ 题干
---So you were in the supermarket __________ you heard a strange sound, right?
---That’s true. I ran out as quickly as possible. 
A.whenB.whileC.thenD.which
◎ 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 you were in the supermarket __________ you heard a strange sound, right?---That’s true. I ran out as quickly as possible.A.whenB.whileC.thenD.which…”主要考查了你对  【状语从句】  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。