(2017江苏南京)—When did the classroom have a power cut? —This morning, while we ________ a physics lesso...
2022-09-15 17:35:43 70次 上海市嘉定区2019-2020学年九年级上学期期末考试(一模)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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