http://uscis.gov/graphics/publicaffairs/advisories/advisory.htm
回复:apply for AP w/o valid visa
Yes, as long as she has pending I485, she can apply for AP. However, she may not be able to use AP. Since she has been illegally stay in US for over 1 year, she may be barred from admission to US if she uses AP. Evaluate the risk before leaving US.
http://uscis.gov/graphics/publicaffairs/advisories/advisory.htm
http://uscis.gov/graphics/publicaffairs/advisories/advisory.htm