The science of medicine, _____ progress has been very rapid lately, is perhaps the most important of all the science.
#70005
A
all whose
B
all what
C
all that
D
all which
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Those were the graduate assistants ______ to do the research work in the lab.
#73726
A
to whom it was their responsibility
B
whose responsibility there was
C
whose responsibility was
D
of whom with the responsibility
Is this factory ___________?
#70725
A
the one your father works in
B
where your father works
C
which your father works
D
your father works in