我們隻有綠卡,現在想辦公民,大概多久可以辦下來?
-It may take several months to one year, case by case.
然後給父母申請綠卡,請問大概需要多長時間?
-Case by case, normally one to two years.
父母年紀大了,已過八十,是否會影響申請綠卡?
-No.