_____ exciting sport it is to climb the mountains!A.How B.What C.What a D.What an 讲一讲为什么
问题描述：
_____ exciting sport it is to climb the mountains!A.How B.What C.What a D.What an 讲一讲为什么
答
D.exciting sport 是可数名词：一场激动的运动会,因此感叹句应该使用What an（原音字母开头）