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

问题补充：

One of our rules is that every student wear the 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：句意：四个规定之一是每个学生在校期间应该穿校服。Shall可以用于第二，第三人称表示“规定，命令，警告，允诺”，might“可能，可以”，could“能够”，will“将会”，选C。