题目内容

(2013·宁夏银川一中高三第四次考试)________ scores of times, but he still couldn't understand it.

A.Having explained
B.Having been explained
C.Though it was explained
D.It was explained

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