The words of the "pop" songs were mainly about ______.
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任何量变都会引起质变。 ( )
A. 对
B. 错
What does the woman mean
A. The glasses is too dirty.
B. The glasses is too small.
C. The glasses is too large.
The main center of the "hillbilly music" is New York.
The popularity of the rock music brought the singers a lot of money before World War II.