We were both travelling across Europe, and that’s ________ we first met. A. whichB. whetherC. whenD....
2022-10-07 20:18:59 41次 2017届北京东城区高三上期末考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
We were both travelling across Europe, and that’s ________ we first met.
A. whichB. whetherC. whenD. whom
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