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Professor Haley told me that he ________ by many of his students at the railway station.A. had been seen offB. have been seen offC. had seen offD. have seen off

Professor Haley told me that he ________ by many of his students at the railway station.

A. had been seen off

B. have been seen off

C. had seen off

D. have seen off

题目解答

答案

A. had been seen off

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