I_____(finish) cleaning the house before my mother came back

I_____(finish) cleaning the house before my mother came back Lucy has been cleaning the house since came back home. My mother is cleaning the house 对cleaning the house 提问 came before the house my mother is (cleaning the house).对括号部分提问 after my mother finished cleaning up the house,she ( ) today I didn‘t finish my homework ______ my mother came back home. i have to finish may homework before my mother ()back.填comes aunt came back home 5 minutes before my mother left home.”的句 单选I often help my mother（ ）the house.A.with clean B.cleaning must Jim finish cleaning the classroom before five o'clock ( you'd better clean the house before your mother comes back.此