Three fourths of the homework _________ today.A.has doneB.has been doneC.have doneD.have been done-高

题目简介

Three fourths of the homework _________ today.A.has doneB.has been doneC.have doneD.have been done-高

题目详情

Three fourths of the homework _________ today.
A.has doneB.has been doneC.have doneD.have been done
题型:单选题难度:中档来源:不详

答案

B
homework 是不可数名词,它的四分之三也是不可数名词,所以排除C,D;且homework 和do是动宾关系,所以要用被动语态。所以选B。

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