I have given up my H1-B, now only use EAD to work. I also have AP, which will expire by the end of October. 父母要去签证了,才发现不知道用什么材料来证明身份,很着急。看到这里有很多关于父母探亲签证的帖子,是否有人有类似的经历。谢谢。