感叹句一般有三种形式：
1.如果对名词进行感叹，常用
What a/an ＋形容词＋名词＋主语＋谓语！
例如：It is an interesting book.
What an interesting book it is!这是一本多么有趣的书啊！
2.如果对形容词或副词进行感叹，常用
How ＋形容词或副词＋主语＋谓语！例如：The book is very interesting.
How interesting the book is!这本书多么有趣啊！
He studied hard.
How hard he studied!他学习多么努力啊
3.对动词进行感叹时，用How ＋主语＋谓语！
例如：He misses his homeland
How he misses his homeland!
他多么想念他的家乡啊
