One of our rules is that every studentwear school uniform while at school.A. shallB. coul

问题补充：

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

A. shall

B. could

C. might

D. will

答案：

(答案→)A. shall

B. could

C. might

D. will

解析：考查情态动词的特殊用法。Shall用于所有人称，表示命令，警告，允诺，或者法律，法规中规定要做的事情。本题shall就表示法律，法规中规定要做的事情。句意：我们的规定之一就是每个学生在校都要穿校服。故A正确。