is there a girl sweeping the floor 的答语

is there a girl sweeping the floor 的答语 She is typing a letter.She is sweeping the floor. Su Hai is sweeping the floor.（对is sweeping the floor 提问） she is sweeping the floor 对is swerping My mother is sweeping the floor now.改为被动句 is ,who ,floor ,the ,sweeping?(用现在进行时组句 There is a chair on the floor.的反义句 All the students are sweeping the floor.的同义句 we were sweeping the floor.的被动语态 I need A.to sweep the floor B.sweeping the floor C.sweepthe 根据答语,写出相应的问句：（ The girl in a blue dress is my sister The boy(in the green sweater)is sweeping the floor.对括号部分提问