It was on June 10,2013＿＿＿Shenzhou-10 spacecraft was sent up into space. A．that B．when C．at that time...
2022-12-13 02:12:01 106次 2014届河南南乐县实验高级中学高二下期期末考试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
It was on June 10,2013＿＿＿Shenzhou-10
spacecraft was sent up into space.
A．that B．when C．at that time D．just then
本题链接：
