() we could find no sign of the man and the search had to be terminated.
() we could find no sign of the man and the search had to be terminated.
A、Possibly
B、Sensibly
C、Regrettably
D、Doubtfully
【正确答案】:C
【题目解析】:本题考查副词辨析。possibly ad. 可能地;sensibly ad. 明智地,得体地;regrettably ad. 遗憾地;doubtfully ad. 可疑地 。副词可以用来修饰整句话。句意: 很遗憾,我们找不到这个男人的踪迹,调查不得不中止。只有C选项最符合语境。
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