2. 职称英语
  3. Investigators agreed that passengers on the airliner ______at the very moment of

Investigators agreed that passengers on the airliner ______at the very moment of

游客2023-11-18  69
问题 Investigators agreed that passengers on the airliner ______at the very moment of the crash.
选项 A、ought to die
B、must have died
C、must be dying
D、should have died
答案 B
解析 考查情态动词的用法。“must+动词的现在完成时”表示对过去的事情的推测。由题意可知乘客死亡发生在调查人员得出结论之前，所以要使用must have done表示对过去事情的肯定推测。可先排除A和C。而 D项should have done表示“本应该做某事(却没有做)”。由以上分析可见，选项B为正确答案。
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