题目内容

—I had invented many new things____ last year.
—Congratulations. I was supposed to learn from you.    
[     ]
A. at the time of        
B. by the time of        
C. in time of
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