More and more people have come to realize that if we had taken effective measures much earlier, the air quality ______ so seriously now.
#86958
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted
推荐题目
John’s pale face suggested that he ______ill, and his parents suggested that he ______a medical examination.
#90529
A
be, should have
B
was, have
C
should be, had
D
was, has
— Mum, would you please buy me an MP5 player? — If you can help do some housework the whole vacation, you ____ have one as a reward.
#87589
A
must
B
need
C
would
D
shall
It is very kind of you to do the washing-up, but you it.
#88218
A
mustn’t have done
B
wouldn’t have done
C
mightn’t have done
D
didn’t have to do
—Where is Bob? I cannot find him anywhere.—He have been off long. I heard him make a call just now.
#90189
A
shouldn’t
B
can’t
C
mustn’t
D
needn’t