He has working in Jiaxing for five years.(改为同义句)

He has working in Jiaxing for five years.(改为同义句)
He has working in Jiaxing for five years.(改为同义句)

He has working in Jiaxing for five years.(改为同义句)
He has working in Jiaxing for five years. =
He has working in Jiaxing since five years ago. =
He started working in Jiaxing five years ago.
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有不会的可以再问我:）

He began working in Jiaxing five years ago.

It is five years since he has been working in jiaxing

He has working in Jiaxing for five years. 原句不对吧，
应该是 He has been working in Jiaxing for five years.吧。
还可以说 It has been five years since he started working in Jiaxing.