We ___the floor and ___the windows.A will mop;cleanedB moped;have cleanedC mopped;cleanedD have mopped;cleaned说下原因.如果要表示我们已经做完卫生了，and前后都要有have吗

We ___the floor and ___the windows.A will mop;cleanedB moped;have cleanedC mopped;cleanedD have mopped;cleaned说下原因.如果要表示我们已经做完卫生了，and前后都要有have吗 We must use the lift to reach the top floor.一般疑问句___we ___the lift to reach the top floor? we should tidy our room and s_ the floor often. They live on the second floor,and we live on the first floor.We live____them.(A).below(B).under —、查一查,填上合适的单词.1.___the door 2.___ ___the light 3.___the floor 4.___the window5.___ ___the picture 6.___the board 1.soon we climbed up to the top of the mountain,____the whole city came into view2.He climbed up to the top floor of the tower and soon his head appeared out of the window,___the whole city came into view.1.from which 2.from where2题的选项都为1 1.soon we climbed up to the top of the mountain,____the whole city came into view 2.He climbed up to the top floor of the tower and soon his head appeared out of the window,___the whole city came into view.from which 2.from where 为什么介词是 we are preparing food and drink for the party=we are___food and drink ___ ___the party.改同义句 We can see many apples ___the tree and some birds___the tree ,too . We love to sit on the floor and look out at the beach and the sea We're ___the same class. ,It's ___the first floor 介词用什么,为什么 We must pay attention ___the way we stand and sit.A.on B.in C.to D./ floor and ceiling是什么意思 ____in and ___the door,please We should tidy our rooms and s the floor often.中间空白填什么 the earth is our home.we must ___the land,air,and water clean.为什么是keep而不是get hDiaoyu Island is part of China.We ___the same history and culture.A.connect B.expect C.expreeD.share