I was very interested in ___________ she told me.
all that
all which
all what
that
The party, ________I was the guest of honor, was extremely enjoyable.
by which
for which
to which
at which
He is quite worn out from years of hard work. He is not the man _________ he was twenty.
which
that
who
whom
Have you ever been in a situation _________ you know the other person is right yet you cannot agree with him?
by which
that
in where
where
We've just installed two air-conditioners in our apartment, ________ should make great differences in our life next summer.
which
what
that
they
The physicist has made a discovery, _________ of great importance to the progress of science and technology.
I think which is
that I think is
which I think is
which I think it is
Firms that use computers have found that the number of staff_________ is needed for quality control can be substantially reduced.
whose
as
what
that