This is a big class ,and ____ of the students are girls.A.two third B.two thirds为什么A 不行?
问题描述:
This is a big class ,and ____ of the students are girls.
A.two third B.two thirds
为什么A 不行?
答
表示三分之二,这是固定的表达方式.序数词+基数词S.