trytogetthegeneralideaandtakenotes.???historymainrolesskillsneeded ?BeijingOpera costumes ?singingstyles ??Listenagainandtrytouseyourkey wordstonotedowntheanswers 1.WhendidBeijingOperastart?2.HowmanymainrolesarethereinBeijingOpera?3.Whatarethemaininstrumentsplayedinit?4.Matchthemainroleswiththeirnames: