谢谢8老师, 再问一下, 在此期间我绿卡已经过期了, 我是用N400的收据回美吗?
-No, then you can not travel unless you file I-90 to renew your green card. After you get the I-90 filing rceipt, then you can go to the local USCIS Office to get the green card stamp on your passort by providing the I-90 filing receipt notice.