0)如果我用paper filing來renew我太太的EAD，移民局會給fingerprint通知嗎？我們的485和765是去年7月申請的，到目前還沒有fingerprint過。
According to my personal experience, your wife may not need biometrics appointment. However, even if USCIS sends a FP notice, it may usually schedule an appointment in more than a couple of weeks. Even if you wife cannot make it, you can always reschedule it notice by sending a request in writing with a copy of your travel documents. The downside is that your wife may not renew the EAD timely and she may not continue to work when she comes back from China.
1）如果返回美國前，移民局把我太太的fingerprint notice寄給我們，趕得上回美國後去fingerprint 嗎？ 您知道移民局寄出fingerprnt notice通知日和信上訂好的打指紋日間隔多久？
See above.
2）我太太EAD renew表的 question 16是該填 (c)(9) 嗎？這是她第一次申請renew,我們的485 is pending now.目前她的EAD是去年和485一起申請的。上一次申請EAD時EAD表上這個問題填的是（c)(9).
If employment-based, yes.
3）我現在是h1身份，若用AP回國（這是我來美國後第一次回國），以後是否可以續h1身份？
You may have two options:
1) Apply for H-1B visa in China
2) When you come back on AP, extend your H-1B before AP expires in a year.
4)回國時除了AP與護照外，還需要帶什麽才能順利回美國？
To be safe, bring a copy of every immigration application package. If you want to apply for an H-1B visa, you may need to bring whole H-1B application package previously filed and updated employer support letter.
More importantly, let your immigration lawyer know your travel plan.
According to my personal experience, your wife may not need biometrics appointment. However, even if USCIS sends a FP notice, it may usually schedule an appointment in more than a couple of weeks. Even if you wife cannot make it, you can always reschedule it notice by sending a request in writing with a copy of your travel documents. The downside is that your wife may not renew the EAD timely and she may not continue to work when she comes back from China.
1）如果返回美國前，移民局把我太太的fingerprint notice寄給我們，趕得上回美國後去fingerprint 嗎？ 您知道移民局寄出fingerprnt notice通知日和信上訂好的打指紋日間隔多久？
See above.
2）我太太EAD renew表的 question 16是該填 (c)(9) 嗎？這是她第一次申請renew,我們的485 is pending now.目前她的EAD是去年和485一起申請的。上一次申請EAD時EAD表上這個問題填的是（c)(9).
If employment-based, yes.
3）我現在是h1身份，若用AP回國（這是我來美國後第一次回國），以後是否可以續h1身份？
You may have two options:
1) Apply for H-1B visa in China
2) When you come back on AP, extend your H-1B before AP expires in a year.
4)回國時除了AP與護照外，還需要帶什麽才能順利回美國？
To be safe, bring a copy of every immigration application package. If you want to apply for an H-1B visa, you may need to bring whole H-1B application package previously filed and updated employer support letter.
More importantly, let your immigration lawyer know your travel plan.
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