he has worked in the factory_____five years ago 1.for 2.at 3.since 4.about

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 has worked in the company for 15 years.H ( ) ,he,doesn~t So hard has he worked in the past few months that he has made great progress in English翻译汉语 In the past three years ,he ____ very hard at maths. A.works B.worked C.has worked Dis workin he has worked in the factory_____five years ago 1.for 2.at 3.since 4.about Li Ping has worked in the company for many years.He is a m____. .Mr.Duke has worked in the company ________ he came to New York.A.when he()in the laboratory the whole morning.A.has been working ,B.is working,c.has worked He in the factory for three years before he joined the Army.A has worked B works C had worked Dwill work ___ he would have succeeded in the examinations.A If he has worked hard B If he works hard C If he worked hard D Had he worked hard 选什么?为什么? -How long has his father worked in that city?-he has worked there s___ last year. 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 he in the factory since he left schoolten years ago 英语单选he————in the factory since he left schoolten years agoA works B worked C was working D has worked he has worked out the problem.的被动形式 He is an expert in sales and marketing.for the last three years,mr wang has worked for JHS company. my father-------in the factory for thirty years,and now he is at homeworked 可不可以用has worked He said ______for the firm for over ten yearsA.has worked B.had worked