我来讲两句.

1.如果你不想移民局找麻烦. 至少三个月后再申请你父母的绿卡.
2. 加勒比海旅游可能有问题. 下面是DOS 30天VISA 自动延期适用范围的规定. 我以前POST过, 但大家没注意. 请注意(ii)

(i) Is in possession of a Form I-94, Arrival-Departure Record, endorsed by BCIS to show an unexpired period of initial admission or extension of stay, or, in the case of a qualified F or J student or exchange visitor or the accompanying spouse or child of such an alien, is in possession of a current Form I-20, Certificate of Eligibility for Nonimmigrant Student Status, or Form IAP-66, Certificate of Eligibility for Exchange Visitor Status, issued by the school the student has been authorized to attend by BCIS, or by the sponsor of the exchange program in which the alien has been authorized to participate by BCIS, and endorsed by the issuing school official or program sponsor to indicate the period of initial admission or extension of stay

authorized by BCIS;

(ii) Is applying for readmission after an absence not exceeding 30 days solely in contiguous territory, or, in the case of a student or exchange visitor or accompanying spouse or child meeting the stipulations of paragraph (d)(2)(i) of this section, after an absence not exceeding 30 days in contiguous territory or adjacent islands other than Cuba;

(iii) Has maintained and intends to resume nonimmigrant status;

(iv) Is applying for readmission within the authorized period of initial admission or extension of stay;

(v) Is in possession of a valid passport;

(vi) Does not require authorization for admission under INA 212(d)(3); and

(vii) Has not applied for a new visa while abroad.