Asyouknow，althoughtherearenoclassesonweekendsnow,nostu...

问题详情：

 As you know，although there are no classes on weekends now, no students ________ go out of school without the headteacher's permission.

A．will  　　　　 B．must 　　　　　 C．may  　　　　　 D．shall

【回答】

D

知识点：情态动词

题型：选择题