–Do you think we are going the right way to the Forbidden City? —Sorry, I’m not sure．But it be．
A. might
B. will
C. must
D. can
网友回答
(答案→)A. might
B. will
C. must
D. can
解析：考查情态动词。Might是may的过去式，表示的可能性比may还小；will“将要”；must“一定”；can“可能”。根据“I’m not sure”可知，“我”也不确定。故选A。