I will see you in a hour / an hour / the hour.
an hour
She is having a dinner / an dinner / the dinner / dinner.
dinner
I live in a Bangkok / an Bangkok / the Bangkok / Bangkok.
Bangkok
He is a doctor / an doctor / the doctor / doctor
a doctor
We have a / an / the / - new teacher called Mr. Karl
a
You don't have a / an / the / - skills to win at this game.
the
A / An / The / - European expert was invited to speak to the committee.
A
A / An/ The / - Thailand is a beautiful country.
-
