Quote:
Originally Posted by Gravdigr
Today is Constitution Day in the U.S.. (<---What's the proper way to end that sentence?)
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Like this:
Quote:
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Today is Constitution Day in the U.S.
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The period that ends the abbreviation also ends the sentence. If the sentence ends in a different punctuation mark, like a question mark or an exclamation mark, use both. If the sentence is awkward or unclear, rewrite it to move the abbreviation away from the end of the sentence or avoid the abbreviation altogether