Answer:
A gerund ends in -ing So I would say the last option- Her only regret is not dancing at the wedding.Explanation:
apostrophy
it’s, let’s, she’s, they’re, I’ve, don’t
quotation marks
“Any further delay,” she said, “would result in a lawsuit.”
His latest story is titled “The Beginning of the End”; wouldn't a better title be “The End of the Beginning”?
paranthesis
When a parenthetical sentence exists on its own, the terminal punctuation goes inside the closing parenthesis.
She nonchalantly told us she would be spending her birthday in Venice (Italy, not California). (Unfortunately, we weren’t invited.)
have a goeed day
I suggest you Carefully<span> organizing your thoughts, Put some time into your essay.
(yes I took this test before)</span>
There are three quatrains in his sonnet. So, B.