-Because your both EB3 and EB2 I-140 have been approved and your child file I-485 before he turns 221, he will have no age-out problem unless your I-485 is denied and it results in his I-485 denial. So, just keep your job, then everything will Ok.
(2)在等下一撥的期間,他應該用什麽身份? 目前是H4 based on我的H1b, 上次在海關給他辦H4時,移民官給他簽的H4有效期到2017年(和我的H1b一樣), 這是不是個錯誤?
-It does not matter, and his H-4 status will be automatically terminated on his 21th birthdate even if the H-4 I-94 does not expire yet. After he turns 21, he has no status, but is on Adjustment of Status (AOS) which means the period of transition from non-immigrant to immigrant. He can legally stay in US for his study during AOS. So, nothing is worried about.
因為他屆時已超過21周歲了. 我們都有EAD和AP, 但從未用過 非常感謝