谢谢8老师，再问

南方小草 2023-10-09 00:46:17 ( reads)

Should we send a copy of US passport when submitting the completed I-130 without certificate of naturalization number?
还有, RFE是什么意思？Request for Evidence?

如果USCIS要附加的RFE, 会拖延绿卡的申请时间吗？