问题
选择题
When we _______the railway station, the train _______for 5 minutes．
A．got to, had been away
B．reached, had left
C．arrived, has been away
D．arrived at, has left
答案
答案：A
这题考查时态，当我们到了火车站时，火车已经离开了5分钟了。因为火车离开是发生在我们到火车站之前，所以用过去完成时。