hi im i have a question my best friend got married 2years ago but decided to not file right away because she was working on her marriage but as of a year ago her husband made himself scarce can she still get her green card if though he not there

So the USC husband abandoned the marriage?

The AOS process to receive a green card is based on a marriage. She would need to show proof of a marriage like bank records, insurance, and will need to file documents. etc...

this will be hard to do and one requirement for the interview is that both husband and wife attend.