I think that something has to be done to stop the air from being polluted, ______ ?
#64578
A
doesn't it
B
don’t I
C
don't they
D
haven't they
推荐题目
They must have finished the work by the end of last month, ______?
#64447
A
hadn’t they
B
mustn’t they
C
haven’t they
D
didn’t they
It's the first time that he has been to Australia，________？
#64492
A
isn't he
B
hasn't he
C
isn't it
D
hasn't it
“She's not a dancing teacher, is she?”“_____.”
#65500
A
Yes, and she isn't
B
Yes, but she was
C
No, but she isn't
D
No, but she was
---Is that your friend?--- ______________.
#60064
A
Yes, it’s
B
Yes, it isn’t
C
Yes, it is
D
Yes, he is