Reply
http://www.uscis.gov/forms/citizenship-and-naturalization-based-forms/document-checklist-form-n-400-application-naturalization
http://www.uscis.gov/citizenship/learners/study-test
http://www.uscis.gov/citizenship/quiz/learners/study-test/study-materials-civics-test/naturalization-self-test-1
Google "父母申请绿卡" and you find a lot of information.
http://www.uscis.gov/citizenship/learners/study-test
http://www.uscis.gov/citizenship/quiz/learners/study-test/study-materials-civics-test/naturalization-self-test-1
Google "父母申请绿卡" and you find a lot of information.