I told him how to get here but perhaps I ______ him a map.

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问题 I told him how to get here but perhaps I ______ him a map.

选项 A、must have given
B、ought to give
C、had to given
D、should have given

答案D

解析 本题测试的是虚拟语气的用法。句子前半部分表客观事实,但but后面的句子表示与客观事实相反,是个含蓄虚拟句,动词形式用should have+动词的过去分词,表示“本应该做而未做”;must have+动词的过去分词表示对过去情况的肯定猜测;have to do sth. 表示“不得不去做某事";ought to do sth. 表示“应该去做某事”。因此选D)。
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