A:What did you __do_last night?B:I went___to the concert.A:Did you __enjoy__yourself?B:Yes,I_had___a good time.I enjoyed the music and the songs very much.A:What did you think__of___the singers?B:They were all good.They had beautiful voices.A:Which band did you like__best___B:The rock band _named__"Youth Group".The singers___of_the band sang wonderfully.A:How_long___did the concert last?B:It lasted__for__three hours.