A or An?
A wallet
A or An?
An elephant
A or An?
A book
A or An?
A zebra
A or An?
A pencil
A or An?
An orange
A or An?
A chair
A or An?
A house
A or An?
A camera
A or An?
An umbrella
A or An?
An apple
A or An?
An egg
A or An?
A unicorn