Question

【题目】The factory produces half a million pairs of shoes every year, _______80% are sold abroad.

A. which of B. of which

C. of them D. of that

Answer 1

【答案】B

【解析】

考查定语从句。句意：工厂每年生产50万双鞋，其中80％都销往海外”。 “分数+of+which”表示部分与整体的关系，引导非限制性定语从句，可知B项正确。