We have studied English 2005.A. sinceB. forC. inD. on

发布时间：2020-08-22 04:59:04

We have studied English     2005.
A. since
B. for
C. in
D. on

网友回答

(答案→)A. since
B. for
C. in
D. on
解析：since+过去的点时间，和现在完成时连用，故选A
以上问题属网友观点，不代表本站立场，仅供参考！