Скажите, где необходимо употребить неопределенный артикль.Образец: I saw film yesterday.

1. He is an athlete.

2. I am a first-year student.

3. I have a coach.

4. Basketball is a very popular game.

5. Britain is an industrial country.

6. Tennis is played on a pitch.

7. You need a stick to play hockey.

8. Referee has a whistle.

9. The team stayed at an expensive hotel.