A or An? Use the Clues to Learn the Answer

A or AN? When do we use these indefinite articles?

Sometimes we use “a” and sometimes we use “an”.
It is a bird. It is an orange.

Can you discover why?

Here are your clues:

It is A cat, but it is AN orange cat.
It is AN elephant, and it is AN animal.
It is A dog, but it is AN eraser.
It is A fruit, but it is AN apple.
It is A vegetable, but it is AN onion.
It is AN action, AN egg, An idea, AN object, and AN umbrella.

But, it is A U.F.O, and A unicorn.

If you think you know the answer, take the quiz to find out.