Half of his books ( ) written in English.选项有is are have has,应该填写哪个?为什么?

问题描述:

Half of his books ( ) written in English.选项有is are have has,应该填写哪个?为什么?

half of 后面跟的是复数名词,就用are;
half of 后面跟的是不可数名词就用is.