Now that the sign reads, “No person smoke here”, please choose a seat in the smoking area over there if you smoke.
A. must; shall
B. will; must
C. shall; must
D. can; should
网友回答
A. must; shall
B. will; must
(答案→)C. shall; must
D. can; should
解析：考察情态动词用法。本题中的Shall表示命令，警告，强制的要求，法律规定要做；must偏偏，非得；句意：居然牌子上写着：这里不允许抽烟。如果你废要抽烟，请在那儿的吸烟室里找一个位置。