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

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

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

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A.of which

B.which of

C.of them

D.of that

试题答案

答案:A

提示:

本题属于“部分+of+关系代词which/whom“引导定语从句”。