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题目内容
（内蒙古农业大学-大学英语4）
(单选题) You ______her at the beginning, but now it is too late.(本题3.5分)
A、 ought to have refused
B、 ought to refuse
C、 ought have refused
D、 needn’t refuse
A、 ought to have refused
B、 ought to refuse
C、 ought have refused
D、 needn’t refuse
参考答案