well, still many 3-4 years, partically for Chinese

if longer than 2 yr, and your state don't have very conservative Judge, then the best way is file WOM
see
http://www.photobaobei.com/greencard/wom.php

所有跟帖： 

• 那就鋪天蓋地得寫信, 叫怨. 總會有結果的. -北京胡同小四兒- ♂ (0 bytes) () 08/08/2007 postreply 09:32:23

• 對，　準備給那位夫人寫信，　說動手就動手，不行就WOM -行星- ♀ (0 bytes) () 08/08/2007 postreply 09:43:34

• seeking help from political branch is required for filing WOM -bioinfo- ♂ (399 bytes) () 08/08/2007 postreply 10:55:31