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
. Reading books is very important for developing the students’ understanding of the world, _______?
#64868
A
is it
B
are they
C
isn’t it
D
aren’t they
—Excuse me, ____ is the post office? —About 500 meters away.
#60405
A
how often
B
how long
C
how far
D
how soon
He must have been annoyed by something yesterday, _____?
#64519
A
wasn’t he
B
hasn’t he
C
needn’t he
D
mustn’t he
— I have heard you are going to change your job. Are you serious?—_______. I will quit my job.
#64979
A
Yes, I’ve made up my mind
B
No, I was joking
C
Yes, I do hope so
D
No, I’m not
