给定一段英文文本，将其中每句话的第一个单词大写，其余单词小写并在句末加上感叹号。


It's a beautiful day outside. Birds are singing, flowers are blooming. On days like these, kids like you... Should be burning in hell.
It's a beautiful day outside! 
Birds are singing, flowers are blooming! 
On days like these, kids like you... 
Should be burning in hell!