Only when we failed ________ the importance of study. A．we realized B．we had realized C．did we reali...
2022-12-10 01:20:03 94次 2015届陕西渭南希望高级中学高一下期期末考试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Only when we failed ________ the importance of study.
A．we realized B．we had
realized C．did we
realize D．had we
realised
本题链接：
