题目内容

Two­fifths of the highway________so far.
A.has been completedB.was completed
C.have been completedD.has completed
A
答案 A [of 后面的名词是单数,所以谓语动词需用单数,由so far得出要用现在完成时,故选A。]
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网