My mother cleans the ____(lay)of dust on the furniture every day .

My mother cleans the ____(lay)of dust on the furniture every day . My mother is busy ______ the room.A.clean B.to clean C.cleaning D.cleans my mother is busy ____ the room.A,clean B.to ciean C,cleaning D,cleans I often help my mother clean the room clean为什么不能用cleans? 照理来说单三应该用cleans呀讲的详细点 I often help my mother clean the room clean为什么不能用cleans?照理来说单三应该用cleans呀 My mother usually cleans the room in the morning.(用this morning改为否定句)My mother ___ ___the room this morning. 单选I often help my mother（ ）the house.A.with clean B.cleaning C.cleans D.clean I always help my mother ________ the floor．A. cleans B. cleaning C. cleaned D. clean My mother cleans room (for one hour) 对括号内容提问 lucy has to help her mother cleans the rooms 哪里错了? Mary's mother cleans the room (for one hour) every day .对括号内部分提问 Let him help your mother cleans the room哪儿错的 Ann is mother cleans the street every day.改为一般疑问句 Ann is mother cleans the street every day.(改为一般疑问句) My mother always asks me to keep my room___ A.clean.B.cleans.C.cleaning D.to clean My sister and I ( ) go to schoo A school B a school C the school D schoolsMy mother is ( ) the room A cleans B clean C to clean D cleaning My mom always cleans our room on the weekend.改否定句,一般疑问句,对cleans our room 和on the weekend提问. My mother always ()the flowers()