1. A or An

2. “ A" is used in front of words which start with a consonant. A dolphin A hat

3. “ An" is used in front of words which start with a vowel. An egg An apple

4. But remember we say: A uniform An hour

5. An ice-cream A bus

6. A cake A fish

7. An umbrella An elephant

8. A horse An aeroplane

9. A radio A telephone

10. eye An An orange

11. Great work !