题目内容
一What does the sign over there read?
一No person ______ smoke or carry a lighted cigarette,cigar or pipe in this area.
A.will B.may C.shall D.must
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题目内容
一What does the sign over there read?
一No person ______ smoke or carry a lighted cigarette,cigar or pipe in this area.
A.will B.may C.shall D.must