Case by case.
中间会有RFE吗(可能是什么样的RFE) ?
-It is possbile. Why do you want to file N-470? Do you want to work for a US compnay outside US for a longer time? If so, you also need to apply for reentry permit by filing I-131.
另外,虽然GC后在美已连续一年多,但中间有去年底的美国以外旅游10天, 会不会有问题呢?
-No problem.
谢谢老师!