Question

【题目】It is necessary that a college student ______ at least a foreign language.

A．masters B．should master

C．mastered D．will master

Answer 1

【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。