〔英语〕this project has been a long process 中的“has been

〔英语〕this project has been a long process 中的“has been This signup process has been temporarily disabled It has been a long how long has it been raining (rain) like this 《正确答案》中的been 我 一个英语句型It has long been a comples that.. what a week this has been long has he been away? long has he been away?-( ) ( )of the project has been finished 翻译How long has this food store been in business? 填空:How long has Mr.Black been t_______in this school? how long has this shop been established/opened?