分类：教育/科学-外语学习
问题：初一英语解答详细讲解Nowadays______ofbusine 
Nowadays______ of iness letters are written in English.
回答：Nowadays______ of business letters are written in English.

A.two third 
B.two thirds 
C.two three 
D.second three

【答案】 ：B

【解析】 ：分数的序数词在大于1时必须用复数