He is busy cleaning the desk up

He is busy cleaning the desk up she is ____(busy) cleaning the room. 1,He is busy cleaning the room.2,She is free after she finis He is cleaning the bedroom.(tomrrow morning) my mother is busy cleaning the room 为什么用cleaning 有什么语法 拜托别瞎回 1.He is busy ______ (watch) the soccer match.2.Hurry up!We'l Jack is cleaning the desk and Maria is d_____ a cat on the b There is a job cleaning up the park.cleaning在语法上怎么讲? wuyifan was busy cleaning the bedroom 为什么要用cleaning He is (cleaning the classroom ).( 对括号部分提问) He is cleaning the classroom(主动改被动） He is (cleaning the classroom.)对括号部分提问