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题目
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He made a mistake,but he corrected the situation       it went worse.
A.untilB.whenC.beforeD.as

答案
C
解析
考查before用法。结合句意可知C正确。句意:他犯了一个严重的错误。但是在情况变糟之前,他改正了错误。
核心考点
试题【He made a mistake,but he corrected the situation       it went worse.A.untilB.wh】;主要考察你对连词等知识点的理解。[详细]
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