前面说因为那个错的petition, my current status is still F1 OPT and was not changed to H1 status. Because of this, if I leave USA, I will lose my 485. 前面几位大侠和我的律师也是说不能回国.看来只能看正式文档才能弄清楚. 非常谢谢你.我准备用第一个选择.