The factory produces half a million pairs of shoes every year,80%________ are sold abroad. A. of th...
2022-12-03 07:41:34 201次 2013-2014学年河北省高三上学期第三次月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The factory produces half a million pairs of
shoes every year,80%________ are sold abroad.
A. of them B.
which of C.
of which D.
of that
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