we have worked there since the factory opened.为什么不是had

we have worked there since the factory opened.为什么不是had 翻译:we have worked out the production plan. 1.My father has worked here for about 10 years.(就for about 10 years提问)_____ _____ ______your father worked here?2.They have had a cold since last week.(就since last week提问)____ ____ ____they had a cold?3.We have lived there since we came i Mr.White and his wife worked on a farm in America.……阅读理解Mr.White and his wife worked on a farm in America.They worked very hard .One day Mr.White said to his wife,“ Dear ,Let’s go to New York next Sunday.We can have a good time there We have worked for a long time,so_____ a restA stopped to haveB stop to have We have been working here for five years.We have been worked here for five years.有什么区别 英语翻译have i worked? I think we have worked out a s_______ for dealing with this situation We have same problems___out.A.to work B.works C.working D.worked 根据首字母填空：I think we have worked out a s____ for dealing with this situation. As is often the case,we have worked out the plan.这句话怎么翻译呢? as is often the case,we have worked out the production plan中文如何翻译 As is often the case,we have worked out the production plan. ___is often the case,we have worked out the production plan.为什么用as不用what 4. If you _____ faster, we could have turned in the project before the deadline.have worked或had worked请提供答案和讲解？？？说的不一样？ we have worked out the plan and now we must put it into ()We have worked out the plan and now we must put it into_.(Afact Breality Cpractice Ddeed ) We have worked out the plan and now we must put it into_.(Afact Breality Cpractice Ddeed )说出理由 英语翻译Where have you been,Xiaoyan?I have been to Paris.I got back about 5 days ago.That sounds nice.What did you do?Well,we were there on business.We worked every day except one.On that day I had a trip on the river and visited the Louvre.It is