He made a mistake, but he took action to change the situation________ it got worse. A. until B. unle...
2022-11-12 06:14:24 147次 山东省日照市2016-2017学年度第二学期九年级英语第一次模拟试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
He made a mistake, but he took action to change the situation________ it got worse.
A. until B. unless C. before D. since
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