◎ 题干
Hi, Jean! You look unhappy. _________?
A.What did you happenB.What you happened
C.Did you happenD.What happened to you
◎ 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“Hi, Jean! You look unhappy. _________?A.What did you happenB.What you happenedC.Did you happenD.What happened to you…”主要考查了你对  【日常用语、谚语】【情景交际】  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。