问题
选择题
The maths teacher demanded that all the students _______ the examination paper within one and a half hours.
A．would finish
B．finished
C．finish
D．could finish
答案
答案：C
题目分析：考查虚拟语气。在demand“要求”的宾语从句中要用虚拟语气，谓语部分用（should）+ do，should可以省略。所以答案选C。