若他去邊境重新入境,需要申請探親簽證嗎?
-Canadian citizen does not need any visa, and just use the passport to enter US (equal to B2 status and normally can stay for 6 months).
因為我們一直在美國,他也是中學,大學都是在這兒上的,邊境官員會不會認為他有移民傾向,而有麻煩?
-Your green card is irrelevant to your child, so no this problem.