- 问题详情:•Americanpopularmusicisplayedallovertheworld.Peopleofallagesinallcountriesenjoy___41___(listen)toit.Thereasonsfor___42___popularityareitsfastpaceandrhythmicbeat.ThemusichasmanyoriginsintheUnitedStates.Countrymusic,___43___(come)fromtherurala...
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