问题
选择题
His father possesses a __________ factory, which does most of the pollution to this river.
A．paper-make
B．paper-making
C．papers-made
D．paper-made
答案
答案：B
考查构词法，名词+现在分词构成形容词。句意：他的父亲拥有一家造纸厂是这条河流的最大污染源。
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