Number 3 and 4 don't make sense.
Number 2 includes the word other, making it flow smoother than the rest when you say it aloud.
By being shy and always having your head down and not talking to anyone
Hank hates Brian, Brian tries everything he can so that Hank will like him. Brian tries to help out and be nice to him.
The correct answer is "their".
On a par 5 hole a score of 3 would be an eagle