All the students are working._are cleaning the chairs,and_ar

All the students are working._are cleaning the chairs,and_ar the students are cleaning the clasroom .some are cleaning th All the students are working hard.(感叹句）_______________! The students are cleaning the classroom. They students are cleaning the classroom 对cleaning the class Some students are cleaning the windows .others are cleaning All the students in our school are cleaning now中clean是及物动词吗? 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 some students are cleaning up the g___on the beach 改错：Are the students cleaning the classroom right now?急