Although there are no classes in the afternoon now, no student ______ go out of school without the h

题目简介

Although there are no classes in the afternoon now, no student ______ go out of school without the head teacher’s permission.

A．will

B．must

C．may

D．shall

题型：单选题难度：中档来源：不详

考查情态动词用法。当shall用于第二第三人称时，表示命令，警告，允诺，威胁，法律，规范。根据the teacher's permission可知。