Which sentence correctly forms the plural of the letter r? A. I wrote extra r's at the end of roarrr to show the sound the lion made. B. I wrote extra rs' at the end of roarrr to show the sound the lion made. C. I wrote extra rs at the end of roarrr to show the sound the lion made.



Answer :

It's a. It's the letter and the apostrophe. And you need the apostrophe.
I would say A with the apostrophe.

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