____silly mistake I had made 填what 还是how 为什么

____silly mistake I had made 填what 还是how 为什么
____silly mistake I had made 填what 还是how 为什么

____silly mistake I had made 填what 还是how 为什么
How 要修饰的是个形容词所以用how而what修饰名词
麻烦采纳,谢谢!

how 。修饰silly 比如，how beautiful ……what a beautiful ……