One of our rules is that every student wear school uniform while at school.A. mightB. cou

问题补充：

One of our rules is that every student wear school uniform while at school.

A. might

B. could

C. shall

D. will

答案：

A. might

B. could

(答案→)C. shall

D. will

解析：我们学校的规章制度之一是，在学校里每个学生都必须穿校服。shall可以用于法律，条款，规定中表示必须遵守的行为。