Do I need to file tax this year, if I came US in August 2016 in a F1 visa

I think you made typo in your question. If you worked from August 2015 to December 2015, you may have to file taxes depending on how much you...

I we divorce before she applies for the 10 year Green Card, will that affect her stay in U.S.A.

It is possible that it will have a negative impact when she applies for a 10 year green card. She may be eligible for a waiver. It would be best...

I agree with my colleagues. Regardless of the background check, you cannot work until an EAD card is issued.

Can I get a green card medical exam before getting married? Or do I have to wait till after the official ceremony?

The medical exam completed on the form I-693 can be completed prior to the marriage. The exam is valid for 1 year. So if you were to get married...

Can someone with both a valid B1 and F1 visa enter into the US on a B1, and then later change status to F1 while in the US ?

You may be able to change status, but as pointed out by my colleagues in order to have a valid F-1 visa you should already be enrolled in a school.

Is there anything that we can do to fast my asylum process?

I agree with my colleague. It is difficult to expedite the asylum process. Your best option is to contact an immigration attorney for assistance.

Work permit has expired and need to renew .

It is best to consult your attorney as they know all the facts of your case.

Is there any way I can get my green card back? Or is there other ways I can try to get a green card?

You should schedule an appointment with another immigration attorney.

I got an RFE for the l693 2 weeks after my AOS interview.Is this normal?

It will depend on when the officer assigned to your case receives the documents. Hopefully , you sent it with proof of delivery.

Am I likely to receive RFE for my I-130?

It would be best to seek the advice of an attorney if you get a RFE. It is hard to speculate, but definitely is possible.