It's about half a century ago ( ) people's Republic of China was liberated .

来源：学生作业学帮网编辑：学帮网时间：2024/06/02 00:36:37

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强调句型：
It's about half a century ago ( that) people's Republic of China was liberated.
常规句式：
The People's Republic of China was liberated about half a century ago.