ThestudentservedastheSecretaryofLeagueBranchandtheSecretaryofCCP(ChineseCommunistParty)Branchduringhis(或者her)undergraduatestudyperiod,fulfillinghis(或者her)responsibilitiesofthesetwoduties.andenjoyingharmonousrelationswithbothteachersandclassmates.
括号内的是帮助你理解的,(ChineseCommunistParty)起解释说明作用,可以保留.其他两个括号你根据性别选好用his或her后去掉括号内容.