Can I get i-94 with my h1b approval if I file h1b COS after i-94 expired?

Yes, you can withdraw the H-4 petition and the employer can file a H-1B COS and yes, they will issue a new I-94.

Why would your employer want to do this? What was the reason for the denial?

Be patient ... they are taking 9-18 months to issue receipts.

No, this will not be acceptable at the airport. Contact the Consulate to have it re-sealed.

How can I know if they are something need to complete to get appointment for visa?

You forgot to tell us what visa she applied for.

Im looking for a immigration lawyer trying to get my finance over here to the us from lagos nigeria what is the first process do

The first, and most important step, is to have met in-person within the past 2 years. After that, the form is I-129F (as long as you are a US...

Filing N400 on basis of marriage to USC but permanent resident for over 5 years?

Yes, you could have chosen the 3 year/married option. BUT ... now your spouse must come to the interview and you need to provide proof of...

I-90 10 Year Green Card renewal, 16 month passed. "Invalid date case is being actively reviewed by USCIS". What is Invalid date?

Slow down and relax ... it was taking 18 months several years ago ... now days I would expect 24 months.

Unless President Biden changes the rules, they requirements are interpreted very strictly.

no No NO You are proposing WORKING in this business ... that is a complete violation of your current visa.