We should sweeo the floor three times a day in order to keep the classroom()A cleaning B cleanestC clean D cleans

分类: 作业答案 • 2021-12-20 02:12:06

问题描述：

We should sweeo the floor three times a day in order to keep the classroom()
A cleaning B cleanest
C clean D cleans

答

sweep打扫吧
选C
keep +形容词
这里只有C