The factory produces two million pairs of shoes every year, half are sold abroad
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The factory produces two millionpairs of shoes every year, half _______ are sold abroad.
| A．of which | B．which of | C．of them | D．of that |
试题答案
【答案】
A
【解析】本题考查定语从句。“逗号”不能连接两个句子，所以所选之词应是连词，排除C项；that不能引导非限制性定语从句，排除D；介词应用在of前。