______therailwaystation,wehadabreak,only______thetrainh...

问题详情：

______ the railway station,we had a break,only ______ the train had left.

  ving at;to find                  ng to;discovering that

  arriving at;finding out           ying to;to have found out

【回答】

A

知识点：非谓语动词

题型：选择题