A feather falls slower than a stone only because the air holds the feather back more than it ______

题目简介

A feather falls slower than a stone only because the air holds the feather back more than it ______

题目详情

A feather falls slower than a stone only because the air holds the feather back more than it ______ the stone.
A.doesB.holdsC.willD.is
题型:单选题难度:中档来源:不详

答案

A
英语在使用时尽量避免重复。在进行对比、比较或说明两组事物相同时,用do来代替前面的动词(词组)。空前的it 指代the air, 空上应为holds back, 但为了避免重复,用do 的单三形式does替代上文所用的动词短语。

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