He isn't such a man ______he used to be. 
#73832
A
who
B
whom
C
that
D
as
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This is a very cute dog. I’ll take it,    . 
#67810
A
how much may it cost
B
how much it may cost.
C
however much it may cost
D
no matter how it may cost
The river, ____ are covered with trees, is very long.
#73086
A
which banks
B
of which banks
C
whose the banks
D
the banks of which