Jim passed the driving test, __________ surprised everybody in the office.
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A
what
B
that
C
which
D
it
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(2013·四川，9)Nowadays people are more concerned about the environment________they live.
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A
what
B
which
C
when
D
where
The Nuclear Security Summit is an initiative of Mr. Obama, considers nuclear terrorism to be one of the greatest threats to international security.
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A
which
B
what
C
who
D
whom
Many children, ____ parents are away working in big cities, are taken good care of in the village.
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A
their
B
of them
C
whose
D
with whom