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题目内容
（华南农业大学-大学英语1(高起专)）
There were so many people talking that I couldn’t ____ the music.(本题5.0分)
A、 concentrate to
B、 concentrate of
C、 concentrate with
D、 concentrate on
A、 concentrate to
B、 concentrate of
C、 concentrate with
D、 concentrate on
参考答案
