问题描述：
[单选]
They happened to（）for Tianjin when we got there．
A．leave
B．have left
C．leaving
D．had left
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：Duty is an act or a course of action that people（）you to take by social customs， law
下一篇：It is said that Van Gogh succeeded in selling only one painting in his lifetime，（）sold
- 我要回答: 网友(216.73.216.29)
- 热门题目: 1.中国（上海）自贸试验区从20 2.空气浴锻炼最好从（）季开始。 3.婴儿生下来就会吸吮，食物进入