Now he works in the factory where his father used to work.是什

Now he works in the factory where his father used to work.是什 Now he works in the factory _________ his father used to wor now he works in the factory___his father used to work the factory where my father used to work. We're going to visit the car factory where his father works this is the factory.his father used to work this is the city his father worked in a shoe factory ,but now he didn't work the factory where his father works is large中为什么用 where He works a factory while his father works a farm 请问是the factory that he works 还是 the factory he works in ,为什么 She used to work in the factory改为同义句, Tom is a worker.He works in a factory.His sisters_ work in a