______ fun it is to watch a football match!该用what还是 how?为什么?

问题描述:

______ fun it is to watch a football match!该用what还是 how?为什么?

在感叹句中,
how修饰adv.或adj.
how+adv./adj.+主语+谓语
what修饰n.
当n.可数且为单数时what+a/an+adv.+n.单数+主语+谓语
当n.不可数/复数时what+adv.+n.复数/不可数n.+主语+谓语(主语,谓语都可省略)
fun是不可数名词,故这里要用what.