问题
选择题
You’d better take another flight to New York , for the AA 505 Flight ______ have been cancelled. But you should call the airport to make sure.
A．must
B．might
C．would
D．should
答案
答案：B
题目分析:句意：你最好搭乘另一架航班，因为AA 505 号航班可能取消了。但是你应该给机场打电话询问一下。A 必须，肯定；B可能，可以；C将；D应该。根据后面内容you should call the airport to make sure可以判断说话人不确定，所以选B。