the popularity of.the number of.,是不是后面都用单数呀.为啥内

问题描述:

the popularity of.the number of.,是不是后面都用单数呀.为啥内

后面的谓语动词是用单数形式,因为真正的主语是popularity和number,它们都是单数啊,如
The number of the students is 20