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
The singer said that she wasn’t feeling well that night，_______?
#65396
A
didn’t she
B
did she
C
wasn’t she
D
was she
It is the second time that you have been late, ______?
#64499
A
haven’t you
B
isn’t it
C
is it
D
have you