帮我看看这句话
Toimprovestudents’abilitytospeakChineseandenrichafter-classactivities,theStudents’UnionofDepartmentofChineseLanguageandLiteratureisorganizingaschool-wideChinesespeakingcontesttobeheldonSaturdaynextweek(10February)attheStudents’Auditorium.
tobeheldon是不是多余了