Indefinite Article: a or an based on initial sound (A2)

She is nurse at the local hospital.

He ate apple for breakfast every morning.

It takes hour to drive from here to the airport.

We need umbrella because it looks like rain.

He is honest man who always keeps his promises.

She wants to become engineer when she finishes her degree.

They live in old farmhouse in the countryside.

My sister is university student in her second year.

He is European citizen who has lived in three countries.

She gave interesting presentation about climate change.

It was exciting experience for the whole team.

He designs uniform for the national athletics team.

She is looking for honest second opinion on her business plan.

We saw unusual bird in the garden this morning.

He rents one-bedroom flat in the city centre.