Music comes in many forms; most countries have a style. of their own.【C1】______the mm of t

he century when jazz was born, America had no prominent【C2】______of its own. No one knows exactly when jazz was【C3】______, or by whom. But it began to be【C4】______in the early 1900s. Jazz is Americas contribution to【C5】______music．In contrast to classical music, which【C6】______formal European traditions, jazz is spontaneous and free in form. It bubbles with energy,【C7】______the moods, interests, and emotions of the people. In the 1920s jazz【C8】______like America, and【C9】______it does to day. The【C10】______of this music are as interesting as the music【C11】______. American negroes, or blacks, as they are called today, were the jazz【C12】______. They were brought to Southern States【C13】______slaves. They were sold to plantation owners and forced to work long【C14】______. When a Negro died his friends and relatives【C15】______a procession to carry the body to the cemetery. In New Orleans, a band often accompanied the【C16】______. On the way to the cemetery the band played slow, solemn music suited to the occasion.【C17】______on the way home the mood changed．Spirits lifted．Death had removed one of their【C18】______, but the living were glad to believe. The band played【C19】______music, improvising(即兴表演) on both the harmony and the melody of the tunes【C20】______at the funeral. This music made everyone want to dance. It was an early form. of jazz.

【C1】

A．By

B．At

C．In

D．On