By the year of 2053 there will be 487 million aged people in China， means that one third of the population will be over 60.
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that
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which
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what
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where
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In many countries, government reports, legal papers and most business letters are the main situations _______ English is used.
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that
B
when
C
which
D
where
Australia is one of the few countries ________ people drive on the left.
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where
B
that
C
when
D
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She showed the visitors around the museum, the construction________had taken more than three years.
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for which
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with which
C
of which
D
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I work in a business______almost everyone is waiting for a great chance.
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that
B
which
C
where
D
why