what is white and comes down from the sky in winter

what color is it? it is ______.black and white and/white/a black/a black and white What is black and white and read all over? My dog is black and white .What about your? 智力测试What is black when it is clean and white when it is dirty? What is clean when it is black and dirty when it is white? what is black when it is clean and white when it is dirty是----- What is black when it is clean and white when it is dirty? 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） What is clean when it is blanck and dirty when it is white? 英语翻译a huge animal which is white and live in the North Pole.what is it? 【what is clean when it black ,and white when it is dirty. what colour is it?lt' s black and white.翻译成中文是什么 What color is it It’s black and white color.哪里错了 My dog is black and white .What about your?哪里有错? what is white and comes down from the sky in winter 英语：读一读,想一想,猜一猜What is black when it is clean and white when it is dirty?It is a ( ). ---What is this_________?It is white ruler.