◎ 题干
—What does the sign over there read?
—“No person___smoke or carry a lighted cigarette,cigar or pipe in this area.”
A.willB.may
C.shallD.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.mayC.shallD.must…”主要考查了你对  【虚拟语气】【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。