父母3年前来过美国,那时我是H4,先生H1。现在H签证到期。用EAD工作,AP还在申请。I94已过期,现应该用什么材料让父母去签证?请赐教,谢谢! -Send your I-485 receipt and the EAD to your parents and use them as the evidence of your legal residency.