OneofthemainfeaturesofacommunicativeEnglishclassisactivities,organizedbytheteacherandconductedbystudentsperformingcertainfunctionsandinvolvingdifferenttopics.Theuseofactivitieshasgainedmuchattention.However,thelinkbetweenactivitiesseemstohavebeenignored.Thispaperisanattempttoexploretheroleofcohesivenessbetweenactivitiesincommunicativeteaching.Thecohesivenesscanbeeithermechanicalordynamic.ThekeyisthatdynamiccohesivenesscontributestotheatmosphereandeffectivenessofcommunicativeEnglishclassroomteaching.