There are 50 students in our class ,____girls.为什么可以填half of then不可填half of girls不好意思，打错了，是为什么可以填half of them 而不可以填half of whom且为什么老师说添half of whom后面要加are?而为什么half of them 后面不需要呢？
问题描述：
There are 50 students in our class ,____girls.为什么可以填half of then不可填half of girls
不好意思，打错了，是为什么可以填half of them 而不可以填half of whom且为什么老师说添half of whom后面要加are?而为什么half of them 后面不需要呢？
答