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

—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

试题答案

C

shall用于第二、三人称，表示命令、允许、警告等，此处表示警告。