The students are cleaning their classroom.Some are sweeping

改错：Listen!The five students are cleaning their classroom. Some of the students are sweeping the floor,__are cleaning w The students are cleaning the classroom. They students are cleaning the classroom 对cleaning the class the students are cleaning the clasroom .some are cleaning th Some students are cleaning the windows .others are cleaning 1.Look at those students.Some are cleaning the classroom,___ The students are (cleaning the classroom.) 对括号部分提问 The students are cleaning the classroom改为被动语态 the students are cleaning the classroom 否定句 改错：Are the students cleaning the classroom right now?急 The students are cleaning the classroom.用often改句子