Напишите 5 предложений с ортикалями a и еще 5 с ортикалями an

1) We have bought a car.

2) A cow is an animal.

3) Buy a milk.

4) Could you bring me a coffee?

5) There is a big painting on the wall.

1) An apple is a fruit.

2) He is an engineer.

3) He is an American.

4) I wonder if there is an accountant in the company.

5) She opened a door and stepped onto an open platform.