回複：綠卡被拒，EAD有效期是半年後，可以繼續工作和在美停留嗎？謝謝！

If your I-485 was denied, your EAD based on this I-485 was also invalid. So, you can not use this EAD to work anymore. You can stay in U.S. with a valid status such as H1, etc., but no more AOS based on this denied I-485.