问题补充:
One of our rules is that every studentwear 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:考查情态动词:A.might 可以B.could能C.shall用于允诺,命令,规定, D.will表示意愿,句意:我们学校的一个规定是每个学生在校期间要穿校服。选C。