3. а или an?

3. а или an?

(§11)

1. ... email — an

2. ... apple — an

3. ... cake — a

4. ... hat — a

5. ... fox — a

6. ... economist — an

7. ... eraser — an

8. ... orange — an

9. ... lemon — a

10. ... name — a

11. ... doctor — a

12. ... engineer — an

13. ... teacher — a

14. ... airport — an

15. ... escalator — an

Ответ: перечислены выше.