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There is a system ________the waste is disposed of using the principles of ecology.
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A
which
B
where
C
that
D
at which
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The Shopping Festival in China falls on Nov. 11 _______millions of Chinese shoppers go to Tmall.com and Taobao.com.
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A
when
B
that
C
which
D
where
Is there any other student _______ wants to visit Tai Mountain?
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A
Whom
B
who
C
whose
D
which
Jim passed the final exam, ___________ surprised his classmates and parents.
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A
that
B
which
C
this
D
it
 I’m blessed______ a happy childhood, ______ most people would like to have.
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A
to; that
B
with; as
C
to; which
D
with; one that
International situation is currently undergoing great changes ________ UNESCO plays an irreplaceable role in promoting international cooperation.
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A
which
B
what
C
where
D
that