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@Velocio
I've got a question...
a vs an?
When to use which?
Or rather, I know to use A when the word following 'sounds like' it starts with a consonant, and to use An when the word following 'sounds like' it starts with a vowel.
With some exceptions for the letter H and U.
Not a problem, but what of acronyms?
For example: a MP3 player sounds wrong, and an MP3 player sounds right.
But I can't find any rule on this, except ones that state that abbreviations and acronyms should normally be expanded in speech and therefore it's "a music" rather than "an music".
Except, no-one expands MP3 when spoken, and to me the "Em" sound of the first letter is what shapes the use of An instead of A.
Does anyone know what the rules are on acronyms and the use of a vs an?