What address should i put in the Form I-485 according to my case?

I agree with my colleagues. You should be careful about forwarding your mail with the Post Office as USCIS mail does not get forwarded.

Which would be better a fiance visa or a spouse visa? What is the difference between a spouse immigration/non immigration visa?

You have so many questions and your potential case (filing for your wife) truly requires that you consult with an experienced attorney. Even...

I got married to a Cuban in USA ( LPR ). We still married an I wonder if I can get the Cuban nationality.

You should consult someone about applying as an abused spouse. Hopefully, you have some proof (police report, hospital records) of this abuse....

My green card expires Jan 5, 2013. Do I file I 751? When can I file for naturalization? Does naturalization process take long?

You can file the I-751 90 days before the expiration of your green card. Make sure you do not file too early as USCIS will reject the petition. ...

Continuous Residence vs Physical Presence

First, we need to know what type of application you are filing....Naturalization, etc. We need to know exactly what the petition is to know how to...

In order for a petition to qualify for EB-2, the position must require at least a Masters Degree (or foreign equivalent), or a Bachelors Degree and...

The oimmigration officer of green card marrige didnt ask us any question about our relation ..is that normal

Unfortunately, without having access to the documentation you and your spouse provided there is no way to know if the reason was that you provided...

Does GC needs to be valid at time of citizenship interview?

Yes, it is ok. Good luck.

After completing 6 years on my H1B, can i stay on H4 for an year in US and then again obtain H1 and start working after 1 year

I agree with my colleagues, you cannot stay in the US. You must spend one year outside the US before you can obtain the H-1B again.

Alien number on pending green card?

Yes, you will get an alien number. When you receive the green card it will be valid.