题目内容

() 7. —Do you know him well?

—Sure. We friends since ten

years ago.

   A. were   B. have been

   C. have become   D. have made

7. B since常用于现在完成时,动词用延续性动词,故选   B.

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