it's been such (a) fun having you here 可以加那个a么?感叹句里不是有个what a great fun!么

It`s been such a long week.这个星期太漫长了. been在这里是什么成分 -80% of our work --finished.-really?it's--hard work,you know.A have been,such Bhas been,such C h...-80% of our work --finished.-really?it's--hard work,you know.A have been,such Bhas been,such C has ,such a D is,soC肯定是错的嘛，work是不可 It's been a while It's been a long it's been a long such one and one such—it's said that the popular record has been sold out.—what a shame!how i regret that did'nt buy____.为什么是填one such而不是such one it's been such (a) fun having you here 可以加那个a么?感叹句里不是有个what a great fun!么 It'S Been A While 歌词 it's been a good life It'S Been A Year 歌词 It's ----strange that ---litter children a.so,so b.so,such c.such,such d.such,so 35.With such a short time (leave)______,it’s impossible for US to finish this complicated experime为何填left,而不填has been left 英语翻译How can it be so hard for kids to find something to do when there’s never been such a range of stimulating entertainment available to them?” It's quite __ him why such things have been allowed to happen.A.over B.behind C.againest D.beyond 那这句话怎么翻译呀? It's such a big country.的意思 It's such a tough road,and maybe life is It's really a____ to see such a beautiful sunrise. --Oh,must you?Stay a bit longer,It's been such fun having you.-------Oh,must you leave?Stay a bit longer.It’s been such fun having you here.----_________.I’ve got an early start tomorrow morning.A,No problem B,All right C,Thanks anyway D,Never mi