(2011·福建高考)—Shall I inform him of the change of the schedule right now?
—I am afraid you ， in case he es late for the meeting.
A. will
B. must
C. may
D. can
网友回答
A. will
(答案→)B. must
C. may
D. can
解析：选B 考查情态动词。依据 in case he es late for the meeting 可知，这里用 must 表示“必须”，强调提醒时间安排的变化的“必要性”。