◎ 题干
---What does the sign over there read?
---"No person ________ smoke or carry a lighted cigarette, cigar or pipe in this area."
[     ]
A. will                  
B. shall                
C. may            
D. must
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“---What does the sign over there read?---"No person ________ smoke or carry a lighted cigarette, cigar or pipe in this area."[ ]A. willB. shallC. may D. …”主要考查了你对  【情态动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。