It may have been at Christmas _____ John gave Mary a handbag.
A: efore
B: who
C: that
D: when
A: efore
B: who
C: that
D: when
举一反三
- It ( ) at Christmas that John gave Mary a silk handbag. A: is B: has been C: may have been D: ought to have been
- It _____ at Christmas that John Smith gave Mary a handbag. A: must have B: will be C: might have been D: may have had
- Who is telephoning Mary A: John will be away. B: The woman will go out. C: They will have a talk.
- John is the only one of the staff members who __________ to be promoted. ( ) A: is going B: has been C: have been D: are going
- John is the only student in his class who _________ often late for school. A: is B: has been C: have been D: are