（）he has worked in the school for several years is known to everyone.为什么要填that,而不是what,不是缺主语吗?

He has worked in the company for 15 years.H ( ) ,he,doesn~t He;s worked in this factory for many years ------ he?A.has B.hasn't C.is D.isn't -How long has his father worked in that city?-he has worked there s___ last year. John　has　worked　as　a　sales　manager　since　he　（join）____this　company　in　2002. 修改病句:He has worked in Benijing last year. He said he ( ) in that factroy since 1949.A.has worked B.had worked C.worked D.was working How long has he worked in the radio studio? Can you tell me.合并成宾语从句是he had worked 还是he has worked说明一下理由 He hard worked in the company for 15 years ,H______,he doesn't like this work.My sister has many friends ,she is very o_______ I don't remember where _in that city when he was young.A.did he work B.he worked C.he has workedD.has he worked he has worked in this school ____ leaving shhool(用already,ever,for,just,never,since,yet填空） He has worked in Shanghai since hegraduated from university.（对since hegraduated from university做划线提问） Mr Smith has worked in this factory since he ( )to China A.has moved B.moved =Mark ____ in China for 10 years and now he teaches Chinese in Britain.A.has worked B.worked Mark ____ in China for 10 years and now he teaches Chinese in Britain.A.has worked B.worked He works in China,but he___in Africa for 8 years.A.work B.has worked C.had worked D.has been workingA选项写错了，应该是worked. 16.He has worked in this school for many years,_______ he?A.has B.hasn’t C.is D.isn’t为什么选A,而不是B,前面肯定,后面不应该否定吗? So hard has he worked in the past few months that he has made great progress in English翻译汉语 Mark _________ in China for 10 years and now he teaches Chinese in Britain.A.has worked B.worked C.had worked D.is working