1991Section?UseofEnglishDirections:Foreachnumberedblankinthefollowingpassagetherearefourchoiceslabelled[A],[B],[C]and[D].ChoosethebestoneandputyourchoiceintheANSWERSHEET.(15points)Whentelevisionfirstbegantoexpand,veryfewofthepeoplewhohadbecomefamousasradiocommentatorswereabletobeequallyeffectiveontelevision.Someofthedifficultiestheyexperiencedwhentheyweretryingto___1___themselvestothene...