We have succeed _______ his problem. A. on solving B. solve C. for solving D. in solving.
2022-10-03 01:48:28 27次 四川省南充市四校联考2019届九年级上学期期末模拟考试英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
We have succeed _______ his problem.
A. on solving B. solve C. for solving D. in solving.
本题链接：
