SchoolthingsFuntimeSelf-assessment精通版·三年级上册Unit2EnjoyasongWhatschoolthingsdoyouknow?SayitinEnglish!FreetalkSchoolthingsLet’splaySimonsays!Putyourschoolthingsonthetable.Whensaying“Simonsays,showyourruler!”Doitquickly!Whensaying,“Showyourruler!”