高考英语动词时态练习19
题目内容

They ____ on the program for almost one week before I joined them, and now we _____ on it as no good results have come out so far.

2021-06-21

A.had been working; are still working

B.had worked; were still working

C.have been working; have worked

D.have worked; are still working

题目答案

试卷相关题目

最新试卷
热门试卷

长理培训客户端 资讯,试题,视频一手掌握

去 App Store 免费下载 iOS 客户端