We are glad that in the past few years, we, by joint efforts, ( ) both business and friendship.<br />A.have greatly promoted <br>B.have greatly been promoted<br>C. had greatly promoted <br>D.had greatly been promoted

We are glad that in the past few years, we, by joint efforts, ( ) both business and friendship.
A.have greatly promoted
B.have greatly been promoted
C. had greatly promoted
D.had greatly been promoted

出自：国家开放大学英语语法

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10244552】个 (题库试题定时更新)