LiLei has bought his car since he worked in this company.这个句

LiLei has bought his car since he worked in this company.这个句 He has worked in this shool since 2 years ago.的同义句,三句. He has bought the car since that day ()joe has worked in this office since he came to shanghai.（划 Mr Smith has worked in this factory since he ( )to China A.h 改为同义句?1.He has taken charge of the company since his father His father has worked in this factory _____ he came here in Mr Green has worked in this factory since 1998. He has worked in Shanghai since hegraduated from university. 改错This is his the most expensive book he has bought.连词成句the, He___ (work) in this company since he finished college He has bought the car .(改为否定句）