Her hair is blond,对blond进行提问

blond是金发 金色的意思。。题目是对Her hair的颜色进行提问，所以答案应该是：What color is her hair?

What color is her hair?

What colour is her hair?

blond是金色，所以用what colour来提问

应该是What colour is her hair?

希望对你有帮助啦

已经有人回答了，我就说点不一样的
why her hair is blond?
what kinds of blond is her hair?