It's a long time since you come to see me.错了什么?

It's a long time since you come to see me.错了什么? it's a long time since Hong Kong(come)back to China it's a long time since i last saw you It's a long time since i saw you last. it's a long time not to see you这句话对吗,分析下, It's been a long time ,I'm here to see you everyone! come and see me ()a month's time填什么? lt's a long time since i last see you还是lt was a long time si It's time for you to come with me It's a long time since还是It has been a long time since it's been a long time since I------.How are you?A.had last s It's a long time not to contact you