Did you go hiking yesterday afternoon?A How fun B How a fun C What a fun D What fun选哪个?为什么?

问题描述:

Did you go hiking yesterday afternoon?
A How fun B How a fun C What a fun D What fun选哪个?为什么?

A How fun

这里的fun是形容词,排除B和C,what后跟名词,how跟形容词,所以选A