Dear，
Itakegreatpleasureinintroducingtoyouyjsjl，myclassmateandbestfriend.
Heisgoingtopursuehisstudiesasapostgraduateinyouruniversityafterhisgraduationhere.We'velivedandstudiedtogetherforalmostfouryears.Nofrienddeservessomuchloveandrespectashedoes.Hisperformanceintheschoolyearswasoutstanding.Inaddition，hehasaverypleasantpersonalityandstayingwithhimisalwayspleasant.
Willyoupleasegivehimsomeguidanceregardingthepostgraduateentranceexamination?Ifitisconvenient，couldyouintroducehimtothefuturetutor?Itwouldbeappreciatedifyoucangivehimsomehelp.