Question

Nowadays, ___________of business letters are written in English.
A. two third        B. two thirds      C. two three

Answer 1

B

试题分析：句意为：现在，2/3的商业信件都用英语来写。分数的表达：分子用基数词，分母用序数词，当分子大于1时，分母要加“s”。故选B。