It was not until I failed in the test ______ I realized I had wasted too much time instead of prepar...
2022-10-31 04:51:56 125次 2014-2015学年江苏宿迁马陵中学高二下期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
It was not until I failed in the test ______ I realized I had wasted too much time instead of preparing for it fully.
A. did B. before C. that D. where
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