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- Another winter day. Joyce and Hardy went to work early. They were cleaning the room before work as usual. 有一个冬季早晨。林悦和赵迪早早来到行里。他们正像往常一样打扫卫生。
- Because they are cleaning the pool. 因为他们要清洗池子。
- They are cleaning the classroom. 他们正在打扫教室.
- The students are cleaning the schoolyard ,they are working so hard. 学生们正在清扫校园，他们真是干劲冲天啊。
- The students are cleaning the campus, they are real high-powered. 学生们正在清扫校园,他们真是干劲冲天啊。
- What are the children doing? They are cleaning the classroom. 孩子们在干什么?他们在打扫教室。
- The students are cleaning the campus. How cheerful they are! 学生们正在清扫校园，他们真是干劲冲天啊。
- Students are cleaning the campus, they are invigorative. 学生们正在清扫校园，他们真是干劲冲天啊。
- The students are cleaning the campus,what energetic they are! 学生们正在清扫校园，他们真是干劲冲天啊。
- Although they are cleaning the bottom of the pool, they appear as carefree as three people playing softball. 他们正在做池底的打扫工作,却显得那么畅快,彷如在玩软式棒球游戏。
- What were the boys doing yesterday afternoon? They were cleaning the classroom. 昨天下午孩子们在干什么?他们在打扫教室。
- They are cleaning up the house before moving in . 他们搬进去以前正在屋子里大扫除。
- They be decorate the room, be not they ? 他们在布置房间，对吗?
- While we were installing the blowout preventer, they were cleaning the mud tanks. 当我们装防喷器的时候,他们在清理泥浆罐。
- They were persecuted by mosquitoes in the room. 他们被房间里的蚊子所烦扰。
- They are going to decorate the walls of the room. 他们打算粉刷房间的墙壁。
- They are decorating the room, are not they? 他们在布置房间，对吗?
- They are cleaning up the house before moving in. 搬进去以前他们正在屋子里大扫除。
- Please clean the windows as they are too dirty to see through. ＂请你把窗户擦一擦，脏得都快看不见外面了。＂
- Last night, they were cleaned out by robbers. 昨晚他们被强盗洗劫一空。
