How cold the night is!

Explanation

The sentence "How cold the night is!" is an exclamatory sentence because it:- Expresses strong emotions or feelings (in this case, surprise or astonishment)- Uses an exclamation mark to indicate emphasis- Has a dramatic and emphatic toneAlthough the sentence starts with "How", which is typically used in interrogative sentences (questions), the sentence is not asking a question. Instead, it's making an exclamation about the coldness of the night.