—What does the sign over there read?―“No person smoke or carry a lighted cigarette cigar

问题补充：

—What does the sign over there read?

―“No person smoke or carry a lighted cigarette，cigar or pipe in this area．”

A. will

B. may

C. shall

D. must

答案：

A. will

B. may

(答案→)C. shall

D. must

解析：题干第一句问“标语上写着什么？”关键词为sign，标语意味要求和规定，所以选shall。will将﹑会﹑决心，may可以﹑会，must必须﹑一定，均无规定之意。