LiMingisoneofmyclassmates.HehasbeenlivinginShanghaiforfifteenyears.　　　　LiMing'sgrandfatherisamerchantandhehasbeenlivinginTaiwansinceliberationofShanghai.Theyhaven'theardfromhimforfiftyyears.　　　　ThisOctoberaletterfromhisgrandfathercametothem.TheylearntfromtheletterthatLiMing'sgrandfatherisstillalivenow.AndhewouldbebacktoShanghaionDecember24th.Atthemomentthattheyreceivedtheletter,LiMing'sfathercouldnothelpcrying.Howtimeflies!HalfacenturyhaspassedsinceLiMing'sgrandfatherleftthemainland.LiMing'sfamilyweresoexcitedthattheycouldnotsleepwellforseveraldays.NeithercouldLiMing.　　　　Theexcitingdayfinallycame.OnDecember24th,theywereontheirwaytotheShanghaiairport.Halfanhourlater,theymettheoldmanwhomtheymissallthetime.