问题
选择题
By the time I _____the railway station, the train _____.
A．got to, left
B．reached, had left
C．arrived, had left
D．came, left
答案
答案：B
考查时态。我到达车站为过去火车离开应是“过去的过去”所以要用过去完成时。句意：当我到达车站的时候火车已经离开了。
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