You never know how much difficulty we had the problem. Luckily, we managed to solve it with Mrs Wu’s...
2023-01-20 12:03:28 197次 2014-2015学年江苏江都武坚中学九年级上期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
You never know how much difficulty we had the problem. Luckily, we managed to solve it with Mrs Wu’s help.
A. working out B. work out
C. worked out D. to work out
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