题目内容
He realized his mistakes and took action to reduce the loss _______ it was too late.
A.until | B.when | C.before | D.as |
C
解析试题分析:句意:在还来得及之前,他意识到了自己的错误并采取行动减少损失。Until表示“直到------才------”,when表示“当-----时候”,as表示“当-----时候”,before表示“在------之前”。故选C。
考点:考查连词的用法。
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