高考英语动词时态练习70
题目内容

—Why does the lake smell terrible? —Because large quantities of water ______.

2021-06-23

A.have polluted

B.is being polluted

C.has been polluted

D.have been polluted

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