1. I am now concurrently filling I-140 and I-485 with my wife(NIW), do I need I-134 or I-864. Is that enough for me to prepare following 置顶的帖子"post again:485 申请过程中的简单问题/个人解答/装订"?
2. Do I need degree Certificate?
3. Do I need additional fee for "Concurrently filling"?
THANKS A LOT?
_:$