问题描述：
根据短文内容,在空白处填上一个合适的词.
The PRC was f( ) on October 1,1949 with a ceremony at Tian'anmen Square.The Central People's Governmrnt passed the Resolution(决议）on the National Day of the PRC o( ）December 2,1949 and declared that October 1 is the National Day.The National Day is celebrated t( ) mainland China,Hong Kong,and Macau with many government-organized activities,including fireworks and c( ).P( ) places,such as Tian'anmen Square in Beijing,are decorated in a certain theme.
The PRC was f( ) on October 1,1949 with a ceremony at Tian'anmen Square.The Central People's Governmrnt passed the Resolution(决议）on the National Day of the PRC o( ）December 2,1949 and declared that October 1 is the National Day.The National Day is celebrated t( ) mainland China,Hong Kong,and Macau with many government-organized activities,including fireworks and c( ).P( ) places,such as Tian'anmen Square in Beijing,are decorated in a certain theme.
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