TeachersatAmericancollegesanduniversitieshavemanydiffer...
问题详情:TeachersatAmericancollegesanduniversitieshavemanydifferentteachingmethods.Someteachersgivehomeworkandcheckhomeworkeveryday,andstudentsintheirclasseshavetotakemanyexams.Someteachersgiveonlywrit...