When asked what they would volunteer to do, ________ said they were willing to do something they could.
#67997
A
half of these
B
half of which
C
half of whom
D
half of them
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Today the public is much concerned about the way _______ .
#74364
A
nature is being ruined
B
which nature is ruined
C
on which to ruin nature
D
of nature to be ruined