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With more forests being destroyed,huge quantities of good earth ________ each year.
A.is washing awayB.is being washed away
C.are washing awayD.are being washed away
D

试题分析:考查时态,句子主语是huge quantities of good earth意思“大量的土壤”,土壤被流失,所以用被动语态,因为是动作正在发生,所以用进行时,所以选D,句子意思“随着较多的森林被破坏,大量的土壤正在被流失”
点评:做时态题时,首先看时间状语,由时间状语判断时态;如果没有时间状语,从句子暗含的意思来判断句子时态
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