The most common is Chicago style.
I think the answer is Innocence but I am super sorry if that isn't the right answer
Answer:
1. Chris ate spaghetti every day last week.
2. When I came into the room, two boys were playing football.
3. Peter turned on the TV, but nothing happened.
4. While we ran in the park, Mary fell over
5. While I listened to music, I heard the doorbell.
6. I broke my pen while I was doing my homework.
Explanation: