Answer:
1.through their word choice
3.through their tone
5.through the story's mood
e2020 answer
Explanation:
You would need to introduce a list.
For example you could have: My shopping list contains of; milk, bread, and yogurt.
Another purpose is to separate clauses.
The day i started highschool i didn't have much friends. i felt lonely and far apart from my classmates. i would always get bullied and that's the reason i hated coming to school. i didn't have the guts to stick up for myself until someone else did, in the hallway he spotted me and stuck up from me. since then i've never found such a kind person ever.
______________
hope i was able to help i'm not the best at this!