题目内容
—What does the sign over there read?
—No person ________smoke or carry a lighted cigarette ,cigar or pipe in this area.
—No person ________smoke or carry a lighted cigarette ,cigar or pipe in this area.
| A.will | B.may | C.shall | D.must |
C
考查情态动词的用法。shall 在这里用于第三人称,表示允许。
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