The floor is so clean.Who___it?

The floor is so clean.Who___it? 1LIlei and Bob___(sweep)the floor,so it is clean and bright the floor is so clean,i wonder who_____(sweep）it 1---it is so clean --- we s_____ the floor just half an hour sweep the floor clean the floor区别 she—helps her mother to clean the floor A so 英语语法 过去分词The floor does not look so bad when swept clean 可以说 1、Put the magnet （下划线）the nails.The floor is clean again. You must clean the floor 改为同义句( ) ( )the floor Must I clean the floor now? 英语填空题3道~(1)Who ( ) [clean] the floor? ---Li Hong is.(2)Pleas Where it Tom He is clean the floor at home.哪里错了