(2010·北京高考)—Good morning. I've got an appointment with Miss Smith in the Personnel Department.
—Ah, good morning. You be Mrs. Peters.
A. might
B. must
C. would
D. can
网友回答
A. might
(答案→)B. must
C. would
D. can
解析：选B 考查情态动词。第一句说明和史密斯女士有约定，所以秘书判断一定是……。must在此表示推测，意为“一定”，符合语境。