he worked in shanghai last year.you can go shopping this afternoon.i did my homework last night .ken had some chicken for supper yesterday.I,d like to visit the great wall 帮忙变疑问和否定

He worked in an office. He said he ( ) in that factroy since 1949.A.has worked B.had worked C.worked D.was working -How long has his father worked in that city?-he has worked there s___ last year. He;s worked in this factory for many years He worked in a big history m____ last year. he worked in a lawyer office.句中有一处错误请指出. 修改病句:He has worked in Benijing last year. After g( ),he worked as a clerk in a company 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 =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 Mark _________ in China for 10 years and now he teaches Chinese in Britain.A.has worked B.worked C.had worked D.is working ＿Where does your father work,Lucy ＿In England .But he＿in France for 8 yearsAhas worked Bhas been worked Chave been worked Dworked In the past three years ,he ____ very hard at maths. A.works B.worked C.has worked Dis workin Jim ___ in Zhuzhou since he finished his college.A.works B.is working C.has worked D.is worked he worked hard but he still _____ in the final exam.填fail还是failed? ( )he was in poor health ,he worked just as hard as everyone else He has worked in the company for 15 years.H ( ) ,he,doesn~t