Professor Lee failed many times but he ________found a good way to solve the problem. A．gradually B．...
2022-11-30 02:40:37 22次 2016届广西桂林中学高一上学期期中考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Professor Lee failed many times but he ________found a
good way to solve the problem.
A．gradually B．entirely C．finally D．frequently
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