john's dog is white。
约翰的狗是白色的。
提问后是
What color is John's dog?
约翰的狗是什么颜色的?
What color
什么颜色
I have a hat. A hat? What color is it?
我有一顶帽子。帽子?它是什么颜色的?
What color(colour) is John's dog?
划线单词是颜色,以What color开头提问,然后谓语(is)+主语(John's dog)
What color is John's dog?
What color of John's dog is?