Polite English Expressions

Requesting . . .

an appointment with your advisor or professor
an excused absence from a class
a letter of recommendation from a professor

going to the restroom

Inviting . . .
someone to lunch or dinner / to a movie
someone to your dorm or apartment

Complaining . . .
to your RA or landlord about a problem
to a neighbor in your dorm/apartment complex about making noise
about food you're served in a restaurant
about an inaccurate or unfair grade you received on an assignment or test

Refusing . . .
an invitation / date

Accepting . . .
a compliment
an invitation
a gift