题目内容
--- What does the sign over there mean?
--- No person _______
smoke or carry a lighted cigarette, cigar or pipe in this area.
A. will B. shall C. may D. must
B
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题目内容
--- What does the sign over there mean?
--- No person _______ smoke or carry a lighted cigarette, cigar or pipe in this area.
A. will B. shall C. may D. must
B