A teacher,with three student,__ in the office now.A.is sitting B.are talking

分类: 作业答案 • 2021-12-19 20:36:56

问题描述：

答

选A.此题考察主谓一致.当"名词+with短语"放在句首时,谓语动词的单复数根据名词来确定.(此规律称为主语中心原则,相似用法的还有as well as)