sentences:  If a student accumulates more than 40 hours of absences from class, he or she cannot move on to the next level without exception.Students are graded based on a midterm and final exam and must receive at least a 60 percent score in each subject (writing, reading, listening and speaking) to move on to the next level.If a student fails to achieve this score during the original testing period, retesting is available as long as he or she failed three or fewer subjects.