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题目内容
（河南财经政法大学-大学英语3）
[单选题,8.3分]
There is no point the violin unless you practise every day.
A.to learn to play
B.by learning to play
C.in learning to play
D.having learned to play
There is no point the violin unless you practise every day.
A.to learn to play
B.by learning to play
C.in learning to play
D.having learned to play
参考答案