Which is biack when you buy it,red when you use it,and gray when you throw it away

Which is biack when you buy it,red when you use it,and gray when you throw it away Which is biack when you buy it,red when you use it,and gray when you throw it away What is biack when it is clean and white when it is dirty? what is biack when it is ciean and white when it is dirty?(翻译意思） It is biack and biack BIACK, biack Which one is _____,the white one or the biack one A good B better C best D well My family name is biack 汉语意思 英语连词成句biack it jacket a is biack it jacket a is 猜谜语：What a room has no walls,no windows,and no floors?it还有：What is biack when it is clean white when it is dirty?it不许乱回答,不然连一根毛也不给你 This is( )good pen ( )color of theWis biack Which is ciean when it is black and dirty when it is white? pen this red is and biack （.）连词成句急 her cat is biack and white改成一般疑问句 翻译Tom is the biack sheep of his family. He is short with biack hair.对句子进行提问