TodayisSaturday.ThestudentsofGradeSevengotoschoolearly,...
问题详情：TodayisSaturday.ThestudentsofGradeSevengotoschoolearly,buttheyhavenoclasses.Theirteachersaregoingtotakethemtothezoo.Theytakebusesthere.Theygetthereat8:30a.m.Thezooisverybeautiful.Therearemanyt...