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
—_____will your sister be back ?—In about two hours.
#59910
A
How
B
How often
C
How long
D
How soon
—__________ have you stayed in New York?—For about two weeks.
#59914
A
How soon
B
How often
C
How long
D
How much
A Kangaroo scarecely knew anything about it, __?
#65294
A
didn't we
B
doesn't he
C
did he
D
does he
He’d rather stay at home, ___ he?
#65280
A
didn't
B
wouldn't
C
hadn't
D
both B and C
---      is “Animal World” shown on CCTV-2?    ---Every week
#59840
A
How long
B
How soon
C
How often
D
How many times