It has been 3 days__I__to paint our bedrooms,and I believe it is not long__we move into the new house.A.since,set out,before Bbefore,set off,since C.since,set about,before D.until,set off,after

It took him three days__ the books__ by Yu Qiuyu. it has been since.用法 It has been in my it is/has been= It's has been accepted it has long been assumed It has been 3 years since he came here. it is 3 years since Tom has been abroad it's always been you(It has always been it has been可以缩写成it's been it's been.的全称是不是 it has been... It has been raining these days. It has been e()hot this week. it has long been known that it has since been rebuilt怎么翻译 Have you read this story___?Yes,I read it in a newspaper several days__ It ____ over 10 years since my grandpa _______.3QA.is,died B.is,has been dead C.has been,was dead D.was,has died It is 3 years since he joined the army 和It has been 3 hours since he left his office.为什么一个用is一个用has been