Mother _____ (sweep) the floor when I _____ (leave) home.这里的答案是：was sweeping 和 left .为什么不能填：swept 和 was leaving

I____(not sweep) the fillr yesterday ,and my mother _____(do) that 怎么做? My father _____(sweep)the floor while my mother and I ______(clean)the windows Mother _____ (sweep) the floor when I _____ (leave) home.这里的答案是：was sweeping 和 left .为什么不能填：swept 和 was leaving Some boys forgot _____(sweep) the fioor. Wouid you like to sweep the floor?(同义句）_____ _____ _____ sweep the floor? I help my mother sweep the floor=( ) Mother ____(sweep) the floor when I left home yesterday. [用所给动词的适当形式填空}NO.1 My bed ______{clean} by my mother every dayNO.2 When we got there,the road _______{sweep}.NO.3 _____ they ____{pick}apples next Saturday? Mrs Green made Alice _____(sweep) the floor after supper his mother made him sweep the fioor every day是否正确 I sweep the room with my father and mother 的英语短文（50字左右） you'll have ti sweep the floor before mother __(come) back His mother made him ( ) the floor eyery day.A.sweep B.tosweep C.sweeping D.sweeps Could you please sweep the floor? my mother said to me.;(合并成一句) 4.让我们轮流扫地.汉译英.let's take _____ ______ sweep the floor. do you sweep the floor every day?改为被动语态 _____ the floor ____ every day? You should _____ your mother _____ _____ housework at home. Mother _____ _____ _____(生气）me just now.