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Lastweek,ourclasswas 41 dutyinthecafeteriaforstudentse...
问题详情:Lastweek,ourclasswas 41 dutyinthecafeteriaforstudentself-management.Onthefirstday,I 42 (shock)toseesomuchleftoverfoodthrownawaybystudents.Whatawaste!Beingconcernedaboutit,myclassmate...