要如何准备面试或材料？
Same information as that in Form I-485.
我可以一起去当翻译吗？
If you call USCIS customer service, they will say no because you are the petitioner. However, it depends on the AOS officer.
两人会是在同一房间面试还是不同房间？若是不同房间我如何帮翻译？
Most likely they will not be interviewed together at the same times.
