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 Luckily,Ihadjustfinishedmywork

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问题详情:

 Luckily,Ihadjustfinishedmywork

 Luckily, I had just finished my work ______ the light went off.

   A. while        B. when       C. since            D. after

【回答】

B

知识点:连词

题型:选择题

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