There is hardly an environment on earth _____ some species of animals or other have not adapted successfully.
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A
in which
B
on which
C
to which
D
for which
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Whenever I met her, _________ was fairly often, she greeted me with a sweet smile.
#74515
A
who
B
which
C
when
D
that
It has been confirmed____________he wasn’t the person who stole your bike.
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A
if
B
whether
C
why
D
that
The black baby boy is at the stage he can only say a few simple words but not yet full sentences．
#67236
A
when
B
where
C
which
D
why
— Glen, what’s your opinion?— What surprised us was not what he said but the way ____ he said it.
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A
which
B
/
C
how
D
in that