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Last updated: March 17, 2024 • 1019 views
Correct. 'An undocumented' is the right construction because 'undocumented' starts with a vowel sound.
Examples:
Incorrect. 'A undocumented' is not the correct construction. The article 'a' should be followed by a consonant sound, not a vowel sound like in 'undocumented.'
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