回複：頭疼難題, 煩高手回貼,叩謝: CA 登陸, H1B Transfer, I485 Pen

Better not travel.
1) If you still work for the previous company, you can use I-94. Otherwise, No.
2) If you use AP, your may lost your H1 because you will not return to the previous employer.
Do not worry about your H1, 不會取消I485 的.