()of them are women teachers.

问题描述:

()of them are women teachers.
A First fourth B three quarters

B
表示几分之几的时候..
分子用基数词表示..如one.two.three.
分母用序数词表示..如first.second.third.
分子大于等于2的时候..分母要变成复数..

one fourth..two thirds