()is it?It is black and white.选用适当的疑问词.

it is clean when it is black.it is dirty when itis white.what is it It is clean when it is black.It is clean when it is black.It is dirty when it is white.what's it? white ,black ,it,and,is,连成一句话 it is black改为一般疑问句 whose dog is it its （MS.Black) it is a white and black dog.black提问 猜谜语：It is clean when it is black.It is dirty when it is white.What's it it is fat.it is big.it likes fish.its nose is black. 改错句 Is your pen black --------------------yes ,it is What color is your( t )?——It is black (HER HERS)cat is small,and it is black.kuai Whose watch is this?Is it black（）? what color is it? it is ______.black and white and/white/a black/a black and white That bag is black.It is ______.A.black bag B.a black C.a black bag 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 white when it is dirty? what is black when it is clean and white when it is dirty是-----