On October 1st,people t---- China often celebrate National D

你好,同学,很高兴回答你的问题

正确答案：填 throughout 遍及,遍布

即：On October 1st,people throughout China often celebrate National Day in different ways.

翻译：在十月一日,遍布全中国的人经常以各种方式庆祝国庆节.

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