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
_______ a concert next Sunday?
#60409
A
There will be
B
Will there be
C
There will have
D
Will there have
--He must have received a good education in his childhood, ________ he?--________, he is polite and well-behaved and acts like a gentleman.
#64625
A
didn’t; Yes
B
has; Yes
C
has; No
D
didn’t; No