— When shall we meet your cousin at the station?
— His plane took off two hours ago, and it reach at 5 pm.
A. should
B. could
C. must
D. can
网友回答
(答案→)A. should
B. could
C. must
D. can
解析：考查情态动词辨析。Should应该；could可能；must必须，一定；can能够；句意：—我什么时候到车站去车站接你的侄儿？—他的飞机2个小时前起飞，5点应该到了。Should应该，是按照道理应该，是一个留有余地的推测。故A正确。