When Jim’s mother came in , he_____ homework. A. is doing B. has done C. was doing D. did
2022-09-22 08:27:13 29次 山东省2018-2019学年八年级下学期期中考试英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
When Jim’s mother came in , he_____ homework.
A. is doing B. has done C. was doing D. did
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