DearTony,

　　Sorrytohearthatyoufailedinthelastexam．Ihopemyadvicecancheeryouup．

　　Firstly,asasayinggoes,failureisthemotherofsuccess．Therefore,it’simportantforyoutokeepagoodstateofmind．Thingsalwaysworkoutbetterwhenyoukeeppositive．

　　Secondly,itwouldalsobenecessarytomakeadjustmentstothewayyoulearninordertoimproveyourefficiency．Meanwhile,settingoutapracticalplanalsomakessense．Thusyouwillmakeprogressmorequickly．

　　Finally,don’toverworkyourself．Strikeabalancebetweenworkandrecreation,andyouwillkeepyourselfrefreshedforbetterschoolperformance．

　　Hopeyou’llfindmyadvicehelpfulandlookforwardtoyourgoodnewsnexttime．

　　Yours,

　　LiHua

　　这是一封书信，应注意书信的格式。

　　正文中应包含题目中的要点。应注意分点叙述。注意引用格言，俗语来鼓励他。

　　最后还应提出自己对他的现状的看法，记忆自己对他的信任和问候。