You must have waited here for a long tim
题型:选择题
问题:
You must have waited here for a long time, __________?
A.mustn’t you
B.needn’t you
C.didn’t you
D.haven’t you
You must have waited here for a long time, __________?
A.mustn’t you
B.needn’t you
C.didn’t you
D.haven’t you