问题
选择题
As far as I know, this is a type of music popular in the 1950s, a(n) _____ of jazz and folk music. [ ]
A. mixture
B. tradition
C. practice
D. invention
答案
答案：A
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As far as I know, this is a type of music popular in the 1950s, a(n) _____ of jazz and folk music. [ ]
A. mixture
B. tradition
C. practice
D. invention
答案：A