The factory produces half a million pairs of shoes every year, are sold abroad.A. 80% of

发布时间：2020-08-15 02:17:36

The factory produces half a million pairs of shoes every year,      are sold abroad.
A. 80% of them
B. 80% of that
C. 80% of the shoes
D. 80% of which

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A. 80% of them
B. 80% of that
C. 80% of the shoes
(答案→)D. 80% of which
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