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题目内容
（延安大学 大学英语4）
You ______her at the beginning, but now it is too late.(本题2.0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