My mother is busy cleaning the room.中为什么clean要加ing?

My mother is busy __________ her work My mother is r busy every day My mother is busy（?）dinner my mother is busy making lunch. I am busy with my lessons while my mother is busy cooking_____(busy)in the kitchen. My mother is the ( ) (busy) in my family. My mother is a teacher.She is busy,___. My father is very busy and my mother is very busy too.同义句回答 My mother is busy ___ the room.```如题 My mother is busy. She w----- all day My mother is busy _________(give)food to the animals. My mother is busy today.改成一般疑问句 My mother is busy __(get)ready for Christmas My mother is busy today.改成一般疑问句 my mother is busy preparing for supper.改错.my mother is busy preparing for supper.改错.去掉“for” 为什么? 英语合并为同一句My mother is very busy.sheis cooking.My mother is_______ _______. my father is a doctor.He is very busy.my mother is teacher.的汉语意思? My mother is busy —— my clothes.My mother is busy —— my clothes.A.wash B.to wash C.washed D.washing