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题目内容
(广西培贤国际职业学院-大学英语1)
9. (单选题) ______ dripping of water wears away a stone.(本题2.0分)
A. constancy
B. constant
C. inconstant
D. inconstancy
A. constancy
B. constant
C. inconstant
D. inconstancy
参考答案
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