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 Theydidn'tgotobed

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問題詳情:

 Theydidn'tgotobed

 They didn't go to bed__ the work was finished.


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


【回答】

C

知識點:連詞

題型:選擇題

標籤:Theydidntgotobed