period + question mark for abbreviation ?
When an abbreviation is the last word in a question, do you write both the period and the question mark? What about a comma? Exclamation point?
I checked several grammar websites, and they all say use both the period and question (or exclamation) mark. Don't use two periods, though.
I can't think of a situation where you would have a comma fall at the end of a sentence.
|link comment||answered Nov 25 '13 at 22:03 Lewis Neidhardt Grammarly Fellow|
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