18.Everyone must have known the death of
题型:选择题
问题:
18.Everyone must have known the death of the waitress, __________?
A.must they
B.mustn’t they
C.haven’t they
D.have they
18.Everyone must have known the death of the waitress, __________?
A.must they
B.mustn’t they
C.haven’t they
D.have they