(句型转换)将下列句子改为感叹句。
1.The dog is so big.
What a ______________________________!
How ______________________________!
2.It's a hot and sunny day.
What a ______________________________!
How ______________________________!
3.The dress is beautiful.
What a ______________________________!
How ______________________________!
4.The little cat is very cute.
What a ______________________________!
How ______________________________!
5.We are so tired.
How ______________________________!