The answer would be "Estoy escribiendo" because estan means they are, esta means he is, and estamos means we are, adn we are talking about something in first person and estoy means I am so this perfectly fits it
Hope this helps
1: todas 2:Que 3:problemas 4:realizan
Answer:
fueres
Explanation:
Si a Roma fueres haz lo que que vieres.
"In Rome, do as the Romans do"
