你自己去算吧.

Residence and Physical Presence

An applicant is eligible to file if, immediately preceding the filing of the application, he or she:

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has been lawfully admitted for permanent residence;
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has resided continuously as a lawful permanent resident in the U.S. for at least 5 years prior to filing with absences from the United States totaling no more than one year;
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has been physically present in the United States for at least 30 months out of the previous five years (absences of more than six months but less than one year break the continuity of residence unless the applicant can establish that he or she did not abandon his or her residence during such period);
*

has resided within a state or district for at least three months.

所有跟帖： 

• 回复：你自己去算吧. -天边雨- ♀ (70 bytes) () 08/16/2010 postreply 00:48:10

• 条例上已经写得很清楚了,要同时满足这四条.而不仅仅是其中之一. -红叶- ♀ (17 bytes) () 08/16/2010 postreply 02:28:10