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 |
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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 |