Past Continuous vs Simple Past
I __________ TV when the lights _________. (watch/ go out)
I was watching TV when the lights went out.
While I ________, my brother _______ video games. (study/play)
While I was studying, my brother was playing video games.
It ______ a lot, so we ______ home. (rain/stay)
It was raining a lot, so we stayed home.