—Look! Someone _______ the floor. It looks quite clean now. —I guess Tom did it, for he was on duty ...
2022-10-24 05:00:25 128次 江苏省连云港市2018届九年级下学期全真模拟（六）英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Look! Someone _______ the floor. It looks quite clean now.
—I guess Tom did it, for he was on duty today.
A. is sweeping B. was sweeping C. has swept D. swept
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