问题补充:
— I missed the earliest flight in the morning. It was really a pity.
—You to the airport by taxi instead of by bus.
A. should go
B. should have left
C. should leave
D. must have gone
答案:
A. should go
(答案→)B. should have left
C. should leave
D. must have gone
解析:考查情态动词的完成式的用法:句意:--我今天早上错过了最早的航班,真遗憾。--你本应该乘出租车而不是乘公共汽车去机场的。从时态看是说过去的事情,用情态动词+完成式,should havedone本应该做而没有做,must have done过去一定做了,选B。