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—I visited China year. —That interesting...

—I visited China year.

   —That          interesting.

       A. should have been                                            B. can be

        C. must be                                                          D. must have been

 

D 【解析】 试题分析:考查情态动词用法。A本不应该做某事实际上却做了。B可能;C一定…;D一定做了。Must have done表示对过去情况有把握的肯定的推测。句意:—我去年去了中国。—那一定很有趣。本句是对过去情况有把握的肯定推测,故选D项。 考点:考查情态动词用法
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