问题补充:
No student go out of the school campus after ten o’clock at night without permission, according to the school regulations.
A. will
B. must
C. may
D. shall
答案:
A. will
B. must
C. may
(答案→)D. shall
解析:考查情态动词。Shall用于第二、第三人称,表示说话人给对方命令、警告、允诺或威胁。句意:根据校规,晚上10点之后,学生不允许离开校园。