English articles exercise

Are you drinking -aan milk?
Do you like -aan fast cars?
Ha gave me -aan orange.
Have you got -aan umbrella?
He asked me for -aan money.
I asked for -aan bread and -aan cheese.
I had -aan glass of water.
I like -aan coffee and -aan tea.
I’d like -aan sandwich, please.
I’d like -aan apple and -aan orange, please.
Is there -aan telephone here?
They wanted -aan information about the trains.
They’ve got -aan very big house.
We had -aan eggs for breakfast.
We watched -aan films all afternoon.