--- Do you know ________ the Smiths left Beijing? --- I’m not sure. I only remember it was a Sunday....
2022-10-11 13:46:20 67次 2017济南市九年级英语期中复习试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
--- Do you know ________ the Smiths left Beijing?
--- I’m not sure. I only remember it was a Sunday.
A. if B. when C. how D. why
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