Music is an important way of expressing people's feelings and emotions． The【C1】______, for

instance, from 1960 to 1969 will be【C2】______by many as a period of social and political un- rest in America．【C3】______this time, many people despaired【C4】______the music favored by the American teenagers．【C5】______,we must now admit that the music they loved was【C6】______a sign of the period and a【C7】______of the tensions and changes that were【C8】______American society． In the early sixties,【C9】______about social justice and equality were【C10】______by the song "Blowing in the Wind" which【C11】______the civil rights song "We Shall Overcome"． The conflict concerning military【C12】______in Vietnam was sung about in 1965 in the【C13】______song "Eve of Destruction" and in the song "Ballad of the Green Beret"． A few years【C14】______,a gradual shift in mood became【C15】______in one of the most popular songs which suggested calmer questions and possible answers even as some pop stars protested loudly【C16】______the draft． Finally, music as a【C17】______of the political and social process in America was highlighted at Wood-stock, New York, where half a million young people came【C18】______in 1969 to spend three days listening to songs that spanned the decade． This event was a symbol of the desire for【C19】______within a time of unrest． Woodstock was a【C20】______of hope in days of rage．

【C1】

A．generation

B．age

C．decade

D．era