Please stop shouting, Amy. If you really want to show annoyance with Amy, you
could write Please stop shouting, Amy!
A period (full stop) is the appropriate punctuation mark to follow the sentence "Please excuse your absence."
Could you please clarify which punctuation mark you are referring to?
The different punctuation at the end of a sentence are mostly period ("."), Question mark ("?"), Exclamation mark ("!").
Punctuation at the end of a sentence indicates a complete thought.
If you are posing a question, use a question mark (?) for punctuation.
The missing punctuation mark is a period.
An interrogative sentence ends with a question mark.
A question mark is a punctuation mark used to end an interrogatory sentence.
declarative
!
At the end of a sentence.
A question mark (?) goes at the end of an interrogative sentence.