He made a mistake, but finally he solved the problem it got worse.A. untilB. beforeC. whe

发布时间：2020-08-17 05:55:09

He made a mistake, but finally he solved the problem      it got worse.
A. until
B. before
C. when
D. as

网友回答

A. until
(答案→)B. before
C. when
D. as
解析：考查连词：A. until直到，B. before在…前面，C. when当….时候，D. as正如，因为，随着，句意：他犯了错，但是在还没有变得更糟前他最终解决了问题。Before还可以翻译成“在还没有…的时候”，选B。
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