2. 外语
  3. I told him how to get there, but perhaps I______ him a map.

I told him how to get there, but perhaps I______ him a map.

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问题 I told him how to get there, but perhaps I______ him a map.
选项 A、should have given
B、ought to give
C、had to give
D、must have given
答案A
解析 “should (或 ought to)+ have+ 过去分词”意为“应该做而未做某事”，其否定式“should(或oughtn’t to)not +have+ 过去分词”表示“不应该做而做了某事”，对已发生的情况表示“责备”。“must +have +过去分词是对过去的或已完成有事情表示推测，意为“一定已经……”，仅用于肯定句。
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