题目内容
【题目】It is necessary that a college student ______ at least a foreign language.
A.masters B.should master
C.mastered D.will master
【答案】B
【解析】分析题干,It is necessary that...结构中,that后面的主语从句通常用虚拟语气,谓语动词使用(should)+动词原形,故正确答案为B。

练习册系列答案
相关题目