Answer:
Sentence 1 is the correct answer.
Explanation:
Dear friend
How are you doing today I hope all is well with you and your family am writing this letter to you to tell you about my upcoming birthday celebration.
I going to have a great birthday celebration at the biggest event center in the Victoria Island and all my friends and family are going to be there so pls i beg you to attend the party
Your's sincerely
Dear friend
Minimal eye contact would not help establish a strong ethos, as it gives the impression you are not confident in what you are talking about.