John must have forgotten to return the magazine to the library yesterday, _________?
#65156
A
mustn’t he
B
hasn’t he
C
haven’t he
D
didn’t he
推荐题目
The girl carrying a dictionary, come in first, ______? 
#64678
A
doesn’t she
B
will she
C
will you
D
don’t they
-_______ do you practice dancing every day?-For two hours.
#60080
A
How long   
B
How often
C
How much
D
How many
 Let’s visit the National Museum this weekend, _______? 
#64557
A
will you
B
won’t we
C
don’t we
D
shall we