it has long been known that

it has long been assumed it has long been known that has long been同义词 It has been a long time.Are you ok? it has been a long time. what is up How long has it been since.这是什麼用法 意思 It's a long time since还是It has been a long time since long has he been away? 请问有首英文歌曲,歌词有句是honey,it has been a long time,……long long time 叫什么? Which is correct.Please explain it.1)How long has it been since this company was established?2)How long has the company been established? How long has the movie been on It ___ five minutes _____. It has been a long time since we last wrote to each other. it has been a long time since+?since后面加什么形式? how long has it been since you have had this engine tuned ?麻烦人工翻译一下 英语翻译“how long it has been since i have done something 最好结合情景举个例 as,remember,as,been,I,has,around,long,for,can,it连词成句 It’s has been quite a long time我想说好久不见 正确的应该怎么写 how long has the game it been since the game of basketball was invented? 翻译