----I called you at 4:00 yesterday afternoon ,but nobody answered. ----Sorry,I____with my friends at...
2023-02-06 21:43:26 193次 2013-2014学年内蒙古呼和浩特市九年级9月月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
----I called you at 4:00 yesterday afternoon ,but nobody answered.
----Sorry,I____with my friends at that time.
A. swim B. swam C. will swim D. was swimming
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