"he has worked at..."和"he has been worked at.."有什么区别?

"he has worked at..."和"he has been worked at.."有什么区别? He has been worked hard ___his lessons.用at还是in啊? has been worked和has been working的区别 he has worked in the factory_____five years ago 1.for 2.at 3 Jack's never worked hard at physics,has he?_____,so I don't He has been to Beijing和He has been in Beijing有什么区别? He has worked for a whole day He has worked there (s) last year He has worked for ____ hour He has already worked for() hour. has been in和has been at的区别 -How long has his father worked in that city?-he has worked