___is certain is ___prevention is more important than treatment .
#73499
A
It;that
B
What;that
C
As;what
D
What;what
推荐题目
You should try to get a good night’s sleep _______ much work you have to do.
#67750
A
whenever
B
however
C
whichever
D
whatever
That scientist ________ work is successful has been made a model worker.
#66798
A
which
B
who
C
that
D
whose
If our government ______ attention to controlling food safety now, our health ______ in danger.
#40968
A
won’t pay; is
B
doesn’t pay; was
C
won’t pay; will be
D
doesn’t pay; will be
He has made another wonderful discovery,___ of great importance to science.
#73562
A
who I think it
B
which I think it is
C
that I think is
D
which I think is