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Nobodyknowswhythegirlisunhappy,

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问题详情:

Nobodyknowswhythegirlisunhappy,

Nobody knows why the girl is unhappy, ________ she has got full marks in the exam.

A. when         B. but           C. if          D. though

【回答】

D

知识点:连词

题型:选择题

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