题目内容

He is difficult to make friends with, but the friendship of his, ____, is more true than any other's.
[     ]
A. once gained
B. when to gain
C. after gained
D. while gaining
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