Harry telephoned to the airport to_________ whether Flight 24 for San Francisco is departing on time...
2022-10-24 03:15:48 103次 2016届江苏省高三12月月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Harry telephoned to the airport to_________ whether Flight 24 for San Francisco is departing on time.
A. prove B. ensure C. confirm D. identify
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