Either you or he has to go there用就近原则怎么讲?为啥不用is?

问题描述:

Either you or he has to go there
用就近原则怎么讲?
为啥不用is?

就近原则就是按照靠近谓语动词的主语确定动词形式.因为he比较靠近,所以用has