“what + a/an + 形容词 + 名词(单数)+ 主语 + 谓语”的结构如下:
“what + 形容词 + 名词(复数、不可数)”以及“how + 形容词或者副词 + 主语 + 谓语”的结构如下:
What a fine day it is!
What an interesting book it is!
What fine books they are!
What fine weather it is today!
How good the book is!
How hard he studies!