It’s has been quite a long time我想说好久不见 正确的应该怎么写

It’s has been quite a long time我想说好久不见 正确的应该怎么写 It has been quite a long time since companies established a It's a long time since还是It has been a long time since it has been the case for a long time that...这句话正确吗? It ___that he has been ill for a long time It has been a long time.Are you ok? it has been a long time. what is up It has been a long It was quite a long time Hi Mary It's been a long time .语法填空 找一首歌.歌词里有一句“it s been a too long time” It;s a sunny day again!It _(not rain)for a quite long time