--Look! Someone ____ the floor．It's clean． --Well，it wasn't me I went shopping just now． A．is sweepi...
2022-12-08 01:15:04 21次 2014-2015学年山东省九年级下学期学业水平第一次模拟英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
--Look! Someone ____ the floor．It's clean．
--Well，it wasn't me I went shopping just now．
A．is sweeping B．was sweeping
C．had swept D．has swept
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