I have been to__ Ocean paek______.对划线部分提问.为什么不用to了呢？

I have been to__ Ocean paek______.对划线部分提问.为什么不用to了呢？ Mother is ill in bed. I have to__ her at home. 横线上填什么? I have been selling I have been trying I have ever been I too have been I have been to. I have been I have been in. i'm going to__ A have Spanish lesson B have Japanese C take music class D take painting lessons I have been there,have been 是have been in还是have been to的缩写? i have always been there i have never been there I HAVE NEVER BEEN,能否说I never have been I have been so serious I have been so serious I-have-been-at-home I have always been you I have been loving you I have been a person .