问题
选择题
The chemistry teacher demanded that the laboratory report _________ immediately after the experiment was done.
A．to be written
B．would be written
C．be written
D．must be written
答案
答案：C
本题考查虚拟语气。demand这个词在虚拟语气的时候， 谓语是（should）+ 动词原形， should可以省略。