想给国内的妈妈申请绿卡,可是要等太久所以打算先办探亲来美,之后再留下办绿卡。想知道这样是否可行,
-Yes, it works well.
而且多久可以帮她申请到绿卡呢?
-3 to4 months after she enters US using B2 visa, then you can sponsor her green card.