John must have forgotten to return the m
题型:选择题
问题:
John must have forgotten to return the magazine to the library yesterday, _________?
A.mustn’t he
B.hasn’t he
C.haven’t he
D.didn’t he
John must have forgotten to return the magazine to the library yesterday, _________?
A.mustn’t he
B.hasn’t he
C.haven’t he
D.didn’t he