I’ve lived in Chongqing _______ twenty years.A for B in C since

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I’ve lived in Chongqing _______ twenty years.A for B in C since
I’ve lived in Chongqing _______ twenty years.A for B in C since

I’ve lived in Chongqing _______ twenty years.A for B in C since
A for 加段时间since 加点时间