Respond by submitting the birth certificate or affidavit, or whatever initially submitted. USCIS will see the correct dob and the discrepancy is...

Time is of the essence in most, if not all immigration matters. If all fails, do paper filling. Good luck!

You are in boba fide legal status and free to travel with no restrictions on domestic flights. Enjoy your trip!

Yes. Other visas may be available to you as well. It is best to get a local attorney to help. Best wishes.

Answer "Yes", because you have a sister who is studying in the US, also on F1 visa, at the same university. Good luck to you.

Another acronym to be familiar with is PRC permanent resident card!

This is good news! Follow up with USCIS case inquiry based on this latest update.

What has been the effort of your attorney is helping with your question?

The nature of yourself employment needs to be elaborated on.

It is best to consult an experienced immigration attorney to review your immigration history.