我的老母親，83岁，5年前有GREENCARD, 回国看病，呆了6年，现只剩一人了， 想来美国， 不知能否过海关？ 请哪位大侠给些高建？
-The green card is void. She may just go to any one of the US Consulates in China to abandon the green card, and then apply for B2 visa at the same time or any time later to enter US.
-The green card is void. She may just go to any one of the US Consulates in China to abandon the green card, and then apply for B2 visa at the same time or any time later to enter US.
