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。