- 问题详情:Ateacherstoodinfrontofhishistoryclassoftwentystudentsjustbeforehandingoutthefinalexam.Hisstudentssatquietlyandwaitedforhimtospeak.“It’sbeenapleasureteachingyouthisterm,”hesaid.“You’veallworkedveryhard,soIhaveapleasantsurpriseforyou.Every...
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