InaclassthispastDecember,afterIwrotesomedirectionsonthe...
问题详情：InaclassthispastDecember,afterIwrotesomedirectionsontheboardforstudentsabouttheirfinalexamination,oneyoungwomanquicklytookapictureoftheboardusinghersmartphone.WhenIlookedinherdirection,sheapol...