请问he is an ordinary worker和he is a common worker

请问he is an ordinary worker和he is a common worker he is a hard worker.he works ( ). He is a teacher and a worker. He is a worker改为复数句 He is a worker.(改为否定句,疑问句和回答) He is worker回答是什么 --Isn't he a worker?--_________,He is a teacher. Jack ___ to be a worker but now he is an architect.(use) Uncle Jack ____to be a worker but now he is an architect.(us Chen Wei is an office worker.He works in a (s ). His brother is a worker,he works in a car____ My uncle is a worker.He works in a ( )