1、I cleand the room last week.(画线提问cleand the room ) —— —— —

1、I cleand the room last week.(画线提问cleand the room ) —— —— — She cleand the room last weekend(变一般疑问句) li ping cleand the classroom after class .变为i否定句 i cleaned my room last weekend对画线部分提问 I have been——（clean）the room ——leaves the room last should closed the door,a.Anyone b,who There——an important conference in the meeting room next week li ping cleand the classroom after class .一般疑问句 study,for,cleand,the,father,his,Ben(连句子) i haven't cleaned the room yet 改为被动语态 the room—— —— —— yet I am cleaning the room.【对cleaning the room提问】 ————,leave the room last ought to make sure that windows are