问题
选择题
Nowadays, ___________of business letters are written in English.
A. two third B. two thirds C. two three
答案
答案：B
题目分析：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。
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