— What does the sign over there say? — No person ______ enter the area without the official permissi...
2022-10-04 07:56:53 55次 甘肃省天水市2016-2017学年高二下学期学考检测（学业水平测试）第一次检测英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
— What does the sign over there say?
— No person ______ enter the area without the official permission.
A. Shall B. may
C. must D. will
本题链接：
