（题文）（2017江苏南京）—When did the classroom have a power cut? —This morning, while we ________ a physics l...
2022-09-27 17:17:54 53次 江苏省江阴市2018-2019学年八年级3月月考英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
（题文）（2017江苏南京）—When did the classroom have a power cut?
—This morning, while we ________ a physics lesson.
A. have had B. were having C. are having D. will have
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