True they all are focused around the overuse of whatever substance
A. Incorrectly. The punctuation is incorrect.
Explanation:

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Answer:
Brazil, 11 de mayo 2019
Dear friend:
I write to you because I wanted to tell you about how are the things at my house with my family.
My mother is very lovely she always cook very delicious and take care of everybody when someone get sick. My father is very hardworker. My sister/brother is very funny. We live in this humble house.
Good vibes, Your friend.
Signe.
its an example, i hope that it was useful for you