This has been a good experience

This has been a good experience Has this volume been a good value for your money?please translate what a week this has been he has always been a good neighbour.为什么用has? life has been good this company has a good sale S_____ A good deal of money has been spent on books. Brand has been a good soldier for the Sixers this factory______for twenty years A.has been open B.has been opened 〔英语〕this project has been a long process 中的“has been 要详解This factory ( )for twenty years.A.has opened B.has openC.has been poen D.has been popened This post has been saved as a draft. 什么意思? This channel has been disabled due to a copyright A good deal of money has been spent on books.为什么这里是has been,而不用has? 雅思辅导资料上说的this model has been prepared as an example of a very good answer.那这种文章是几分 We also could not return again,the time passed in a hurry,I knew you have been tired,has been good,like this!Let this section of sentiment turn the recollection.翻译一下那句话 He's always a good neighbour.He has always been a good neighbour,这两句有什么不同? This account has been blocked.