What would be the best option: fiancee visa or status adjustment (to green card) via marriage?

The most efficient path, assuming the marriage is legitimate, is to get married and adjust status while she is living here in the USA.

I have an E2 visa. I just got married. She is on a F1 visa. How do we change her status?

You should be able to get an E2 for your wife. You should should talk this over with an attorney, this can get rather complicated.

I got my green card but not my daughter's?

Did you apply for both at the same time? If so they may be mailed separately.

Visa?

Not information here to respond accurately. Your attorney is the best position to answer this question. If you want a second opinion, consult with...

Can I travel outside of the US?

You may have some issues with the fact that you traveled, if you did so without advanced parole. Your school may have given you bad advice.

I pass my cityzansipe interview but it is 4 months no otha pepper yet should i travel to my country ?

If you still have your green card, you should be able to travel. But, you have not been sworn in yet, so you're not quite a citizen. It might...

It sounds like you are headed for a denial of your citizenship. If they think you are being dishonest you will have major difficulties.

Will my friend be approved or get deported?

Unless the husband was abusive in some manner she won't be able to use that failed relationship to get a green card. If she did not adjust...

I am confused about ways to getting the green card...?

I would need more information regarding your situation in order to comment. It's unclear whether you are eligible for a green card or not based on...

You need to get sworn in, so yes, you need to attend.