there were a fire drill yesterday,那里有错,为什么?

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/10 09:17:11

there were a fire drill yesterday,那里有错,为什么?

应该把were 改成was
因为后面是a fire drill(单数)
谓语动词也得用单数.