参考答案1-5CABCB6-10CACBA11-15ACBAA16-20CBCAB21-25ABCAB26-30AACCA31-35BDBBA36-40DDBCA41-45BACAB46-50DCCDC51-54BBBD55-58DBCC59-62DBCB63-66DABB67-70BCAD71.largest72.five73.countries74.important75.destroying76.living77.our78.black79.Adoctor.80.Oneveryweekend.81.Yes.82.Sorryby83.wentto84.begannear85.Soonheheardthesoundofafireengine.86.JohnDancerCharlie