Adverb
de repente
suddenly, all of a sudden
"De repente se acordó del gas."
Suddenly he remembered the gas was on.
Write it
Write a sentence with de repente in it, whatever's on your mind.
It doesn't have to be perfect
Short story
A three-sentence story with de repente in it. New one every time.
Couldn't write one just now - try again in a moment.