Ateacherstoodinfrontofhishistoryclassoftwentystudentsju...
問題詳情：Ateacherstoodinfrontofhishistoryclassoftwentystudentsjustbeforehandingoutthefinalexam.Hisstudentssatquietlyandwaitedforhimtospeak.“It’sbeenapleasureteachingyouthisterm,”hesaid.“You’veallw...