. I think you must be mistaken about seeing him at the theatre; I’m sure he _____ abroad all week.
A.is | B.was |
C.has been | D.had been |
推荐套卷
. I think you must be mistaken about seeing him at the theatre; I’m sure he _____ abroad all week.
A.is | B.was |
C.has been | D.had been |