____is certain is ___prevention is more important than treatment .
#59047
A
It;that
B
What;that
C
As;what
D
What;what
Mr. Smith was so angry at all ______ Bill was doing ______ he left.
#59062
A
that; what
B
that; that
C
which; which
D
what; that
The police were seeking more information to find out ______ the rich merchant.
#59072
A
who was it that killed
B
who it was that killed
C
it was who killed
D
who was it killed