Please excuse me.
Making lame excuse is an art that not everyone can master.
There is no excuse for his absence.
He has no excuse for remaining absent.
Please excuse me for arriving late.
Ignorance of law is no excuse.
Please excuse me for this impertinence.
You will have to think up a good excuse for the delay.
Excuse me, can I sit here please?
Do you have any excuse?
I acceded to his excuse and request.
Excuse me, what is your name?
Excuse me, what did you say?
Excuse me for being late.