Q: When "etc." falls at the end of a question, how should it be punctuated?

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When "etc." falls at the end of a question, would it be punctuated with only a question mark (etc?), or with a period followed by the question mark (etc.?)?

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Answer:

Generally, in American English, if "etc." is used in the middle of a sentence, it is followed by a comma. However, if the word "etc." appears at the end of a sentence then the period (which is part of "etc.") serves as the final punctuation mark. On the other hand, if "etc." or any other abbreviation ending with a period appears at the end of a question, then you must use both punctuation marks (etc.?)

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