【题目】To keep pace with changes around the world, it is vital that teachers_____ students to use computer technology.
A.should be taughtB.must teachC.teachD.are taught
在线课程【答案】C
【解析】
考查虚拟语气。句意：为了跟上世界巨变的步伐，老师们教会学生电脑技术是很重要的。在it is vital that这种句型中，主语从句常用虚拟语气，谓语动词要用“（should+）动词原形”。故选C项。