So many uses have been discovered for this wood ____ the supply of white pine is becoming smaller an

题目简介

So many uses have been discovered for this wood ____ the supply of white pine is becoming smaller an

题目详情

So many uses have been discovered for this wood ____ the supply of white pine is becoming smaller and smaller.
A.then B.whatC.thatD.which
题型:单选题难度:偏易来源:不详

答案

C
so...that引导的结果状语从句。

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