--- How many times have you been to China?
--- In fact, it is the first time that I ______ here.
A.was | B.am | C.had been | D.have been |
推荐套卷
--- How many times have you been to China?
--- In fact, it is the first time that I ______ here.
A.was | B.am | C.had been | D.have been |