______therailwaystation,wehadabreak,only______thetrainh...

問題詳情：

______ 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

知識點：非謂語動詞

題型：選擇題