题目内容
【题目】People are recycling many things which they away in the past.
A. had thrown B. will be throwing
C. were throwing D. would have thrown
【答案】D
【解析】
试题分析:句意:人们现在正在回收过去会扔掉的东西。这句话的which引导的是定语从句,是一个隐含的虚拟语气,因为in the past相当于If they had been in the past,所以句子用虚拟语气,和过去相反用would have done。所以选D。
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