i have worked for this school for 1 year 为什麽用两个For前面For可以去掉吗?

英语翻译have i worked? 英语语法问题,求解.Next April,I will have worked here for 20 years.这里的have worked可以写成have been worked吗? I ( )in the factory for over one year A.work B.worked C.have worked D.was working i have worked for this school for 1 year 为什麽用两个For前面For可以去掉吗? I worked in Shanghai for three years--Are you still working in Shanghai?--No,I'm working in Ningbo now.I_____in Shanghai for three yearsA.worked B.have worked C.had worked D.was working I think we have worked out a s_______ for dealing with this situation I could not have worked for nicer people and the job was aweet. 根据首字母填空：I think we have worked out a s____ for dealing with this situation. I could not have worked for nicer people and the job was aweet.翻译 I have worked in this school for three years.同义句改写 I see from you application from you have worked as a salesman for two years翻译. I have worked in this university _______ 1980.A for B since C till 英语翻译Terminating Engagement To:Robert Bush,Sales Manager From:Bob Wang,Sales Development Date:May 6,2002 Subject:Terminating Engagment Mr.Bush,I have worked in the Sales Development as a salesman for six years,and I have been satisfied with th I told my mother that I ____ for about two weeks.空里面应该填have worked还是had worked还是两个都可以?为什么? I could hardly see anything () the dense fog.(since for)They have worked in this company () they graduated.(since for) I once ___ in a junior high school for two years.But I am a teacher in a senior high school now and I ____here for 14 yearsA.worked have workedB.had worked have workedC.have worked have workedD.worked work我想问 once 后面 这种应该接什么 Excuse me ,where is Mr.Brown's office sorry I don't know I____here for only a few daysA work B worked C have worked D will work Excause me,where is Mr Broun's sffice --Sorry,I don't know.I__have for only a few daysA work B worked C have worked D will work