（二）有效期不足六个月的，或者有效期在六个月以上但有材料证明该有效期不符合前往国要求的； Make sure you click on “Report Difficulty” if you encountered any difficulties, and also the Instructor will decide both reschedule or refund afterward. Enter the web site ten minutes before the class starts. Click on “My Lessons” to search out your course, simply click “Drop by class”, and afterw... https://getdocumentschina.co/