Barry has visited the Eiffel Tower before, _____ he?
#64766
A
mustn’t
B
hasn’t
C
didn’t
D
needn’t
推荐题目
— ______ is a ticket to Garden Expo?— It’s about 100 yuan. 
#59857
A
How much
B
How many
C
How long
D
How often
He must have known the truth yesterday, _________?
#64623
A
haven’t you
B
didn’t you
C
have you
D
did you
Such a hard problem ________ that I ________ gave it up . 
#64930
A
was it ; eventually
B
It was ; suddenly
C
was it ; unfortunately
D
It was ; eventually