（2017江苏南京）—When did the classroom have a power cut? —This morning, while we ________ a physics lesso...
2022-07-22 07:38:00 154次 江苏省仙林分校2017-2018学年八年级上学期期末英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
（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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