JohnSandwasoneofthemostinfluentialteachersIhaveevermet....
问题详情:JohnSandwasoneofthemostinfluentialteachersIhaveevermet.Duringhighschool,hetaughtmemorethananyotherteacherhadbeenableto.Hedevelopedunusualmethodsofteaching.Hedidnotgiveushomeworkonthefirstdayan...