The popularity of Jazz peaked in the swing era.（)

Jazz is one of the first truly indigenous music to develop in America.（)

Membership in labor unions in the United States reached its peak of 17 millions members in

The highest peak in Canada is______, which is the Yukon Territory of northwest Canada.A．Mo

As we all know, the Internet today is reaching the peak of popularity. But recently, there

______is NOT a representative work of poetry in the Victorian era.A．The Idylls of the King

听力原文:At the beginning of the 20th century a new music called jazz was born in New Orl