Why do you have to put "an" in front of words starting with a vowel instead of "a"?

More Questions. Additional questions in this category.

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  Is personnel singular or plural?
  by Answerbag Staff on July 4th, 2010 | 1 person likes this

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  What does the 3 pigs teach exactly? Don't be cheap?
  by Cal on January 25th, 2012 | 6 people like this

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  Why do questions need a question mark? Aren't they obviously questions?
  by Ombliss22 on January 5th, 2012 | 4 people like this

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  determine the indirect object: the coach handed the player a blue ribbon.
  by crystal2008 on September 11th, 2011 | 1 person likes this

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  Right now, I can't read too good, don't send me no more letters, no. Who is this, and what is this song all about?
  by einsteinwasright0116 on January 26th, 2012 | 1 person likes this

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