--Look! Someone ____ the floor．It's clean． --Well，it wasn't me I went shopping just now． A．is sweepi...
2023-02-28 23:04:06 151次 2014-2015学年山东滕州木石中学九年级下学业水平模拟1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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