I waited for you _____ hour
a
an
This is _____ bottle of water.
an
a
I won ____ unicorn in the fair.
an
a
I have _____ ID card.
an
a
I have ______ alarm clock
a
an
I bought ____ wallet for my father
a
an
You are _____ honest person
a
an
Do you have ___ calculator?
a
an
You should wear _____ umbrella, it's going to rain.
an
a
Can I have ____ packet of tissues?
a
an
There is _____ university near here.
a
an