I-485 interview


Registered Users (C)
My spouse and I have received interview notices at the same time and date at the local field office. The I-485 was based on approved I-140 (EB3). I have an H1B, while my spouse have an H4. Will there be one interview with one officer or must we prepare for two separate interviews with two different officers? Please can anyone answer this question? What is the normal standard procedure in our case?