You never know how much difficulty we had the problem. Luckily, we managed to solve it with Ms Zhu’s...
2023-01-19 15:35:03 195次 2014-2015学年江苏盐城景山中学九年级10月月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
You never know how much difficulty we had the problem. Luckily, we managed to solve it with Ms Zhu’s help.
A. working out B. work out
C. worked out D. to work out
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