She is typing a letter.She is sweeping the floor.

She is typing a letter.She is sweeping the floor. she is sweeping the floor 对is swerping My mother ( )sweeping the floor in the living room.She is co 连词成句：is,sweeping,with,she,her,the,floor,mother(.) is /sweeping / with / she/ her /the /floor / motherl(.) 连词成句 is there a girl sweeping the floor 的答语 Su Hai is sweeping the floor.（对is sweeping the floor 提问） She can help me sweeping the floor.哪里错了? what's she doing?- she is s___ the floor 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 She is writing a letter now