问题
选择题
---Are you coming to Betty’s wedding?
---I’m not sure. I ______ go to Beijing on business that day.
A．must
B．would
C．should
D．might
答案
D
题目分析：句意：你打算参加Betty的婚礼吗?我不确定。那天我有可能去北京出差。A. must必须；B would将会；C. should应该；D. might有可能。故选D。
考点: 考查情态动词的用法。