Do I need 7 passport-style photos for my adjustment of status based on marriage to a US Citizen?

2 for your spouse and 4 for you should suffice.

Seeking for asylum green card and C8 work permit

It depends if your asylum clock has reached enough days for you to file. What does your attorney say?

18 days past cond green card expiration date and still haven't filed I-751 because spouse has filed for divorce. Should I mail?

You need both a family attorney and an immigration attorney right away.

We just submitted our papers for a marriage greencard. When I get my I-797, can I use that to apply for college or internship?

No, normally the work permit is used in lieu of a student visa.

Sometimes the computer is not updated.

How many times can we apply for advance parole?

Your understanding of AP is not entirely correct. It allows a person in process to adjust status to depart and reenter the US. Once the residency...

I'm Uk born citizen i would like to study in US can be possible if i come to US and study in community college.?

You need to be accepted to a school and then apply for a student visa. Some work is possible after the 1st year.

I am filing i-130 for my wife. How I answer question #16 on i-130?

Your wife does not have a lawyer? Get one, this is not a do it yourself exercise when the stakes are high.

I filed i-130 about 12 yrs ago for my unmarried sister. The visa is current now. But she is married now. What about her husband?

He gets to come with her.

If you are stmped by this question, you really should consider hiring a professional to assist you.