The foreigners have been in Beijing for three years, so they are familiar the city .
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to
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with
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for
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On
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We enjoyed the wonderful firework display ______ the night of National Day.
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in
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on
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for
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at
You can have a good view of Nanjing at the top of Zijin Mountain ______ a clear day.
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at
B
on
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in
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for