1、What colour is it?它是什么颜色的?
2、What colour are they?它们是什么颜色的?
3、what color is it ?what color are they?what color is the +物体名词?对物体的颜色的提问。
4、what +colour+be+你所要问颜色的名词。
5、What+be+the+color+of+你所要问颜色的名词。
6、what colour is the apple?What is the colour of the apple?这个苹果是什么颜色的?