I would say that you would only use them when you are writing in the thousands or more other than that u don't use them
Option 3. Example
Simply because it uses key words like “or”
Know what your gonna write about and be organized
"The Cossack as the cat; he was the mouse. Then it was Rainsford that knew the full meaning of terror" is the best detail that supports that claim.
Hi(brother)
How are you?I hope your doing fine
Brother you know i’m happy of my first day of school because i meet my friends from a long time that we don’t see each other in person and i’m also happy that i got a new friends in school and my new teacher adviser is very kind and approachable and really enjoy my first day in school
Your sister(NAME)