Don't wait for people to be friendly,show them ____a friendly person you are.

问题描述:

Don't wait for people to be friendly,show them ____a friendly person you are.
A.what B.how
我选的是A,是错误的.为什么错?
答案B为什么是对的?
翻译这句话
我选B,A 是对的

这是有how引导的感叹句,你记住how的句式就知道了
how +adj+主语+谓语 !
what+a/an +adj+n!