1.

I don't have  a  car.

2.

 A  Potatoes aren't expensive.

3.

Ann never wears  a  hat.

4.

Are you looking for  a  job?

5.

Mary doesn't eat   a   meat.

6.

I'm going to  a  party tonight.

7.

Do you like    a    cheese?

8.

Do you want  a  cup of coffee?

9.

I have  a  great idea.

10.

Peru is  a  country in South America.