Do this sentence sound OK?
I QUICKLY ate my breakfast and went out.

Or it is the only way to say:
I ate my breakfast QUICKLY and went out.

Question

Do this sentence sound OK?
I QUICKLY  ate my breakfast and went out.

Or it is the only way to say: 
I ate my breakfast QUICKLY and went out.

Answer

Both sentences are correct.

Answer

It's correct either way. The first one strikes me as perhaps a bit formal. We could also say "Quickly, I ate my breakfast and went out."

Answer

Does it(/this sentence) sound OK?
OR: Is this question correct?

Or: Is this the only way to say it?

Answer :
* Both sentences are correct.

Answer

What doesn't sound grammatical is your very initial question:'do this question sound okay'?