Professor Haley told me that he_________
题型:选择题
问题:
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
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