Moreandmoremiddleschoolstudentsaregoingtoallkindsoftrainingclassesortutorsatweekends.Therearetwodifferentviewpointsaboutit. 　　Somethinkitnecessarytodoso.Firstly,it’smoreeffectivetostudywithateacher’shelpthanbythemselves.Secondly,youcanhavemorechancestocommunicatewithteachers(therearemoreinteractionsbetweenstudentsandteachers).Besides,youcanmakeupforwhatyoumissorfailtounderstandinclassesonweekdays. 　　Othersthinkitunnecessary.Foronething,studentscaneasilyformthehabitofdependence.Foranother,studentsneedtimeforrestandrecreationatweekends.What’sworse,attendingtrainingclassesorhiringtutorsevencausessomestudentsnottolistenattentivelyintheirregularclasses. 　　Inmyopinion,whetheratrainingclassoratutorisneededjustdepends.Ifyouarereallyveryweakatorinterestedinacertainsubject,maybeit’sOKforyou.Butbesuretochooseagoodandsuitableclassorteacher,otherwiseitwouldbeawasteoftimeandmoney.