As ____thestation,I saw the smiths.they ____home.run leave 正确形式填空

问题描述:

As ____thestation,I saw the smiths.they ____home.run leave 正确形式填空

请问都是填run leave 的各种形式么
as 在此处用作“当,正.时”,后面应该用进行时(ing形式)
they 后面根据语境可以看出是过去进行时,也是用ing形式
所以我根据自己的理解.
当我离开那个站台时,我看见了史密斯一家人,他们正往家里跑.
As leaving the station,I saw the Smiths,they were running home.如果好的话就采纳我的答案吧