您要查找的是不是：
- What is the teacher doing? She is cleaning the classroom ect. 教师做几个动作,要求学生进行问答练习
- She is cleaning the classroom. 她正在打扫教室。
- The little boy is cleaning the classroom. 小男孩正在打扫教室。
- While she is cleaning the window,he mops the floor. 她在擦窗时，他在拖地板。
- While I am washing the floor,she is cleaning the windows. 我在洗地板时，她在擦窗子。
- While she is cleaning the window,he is mopping the floor. 她在擦窗时，他在拖地板。
- While I am washing the floor, she is cleaning the windows. 我在洗地板时，她在擦窗子。
- She is cleaning up the kitchen now. 她现在正在打扫厨房。
- She is busy cleaning the fowls in the kitchen. 她正在厨房忙著清除家禽的内脏。
- The students clean the classroom everyday in turn. 学生们每天轮流打扫教室。
- While she is cleaning the window, he is mop the floor. 她在擦窗时，他在拖地板。
- She is speaking in the classroom. 她在教室里讲话呢。
- It is our duty that we clean the classroom. 打扫教室是我们的责任。
- B. My work is to clean the classroom. 我的工作是打扫教室。
- She is always the last to leave the classroom. 她总是最后一个离开教室。
- Your task is to clean the classroom. 你的任务是打扫教室。
- He is cleaning the room when he finds a watch in the corner. 当他正在打扫房间的时候，他在角落里发现了一块手表。
- The students are busy cleaning the classroom. 学生正忙于打扫教室。
- We are both cleaning the classroom. 我们俩人都在打扫教室。
- She is reading loudly in the classroom. 她正在教室里朗读。
