have been in have gone to

has been in表示一种状态，中文翻译就是“在”，已经在纽约一个星期了。
has gone to是表示一个动作，表示一个星期都在重复“已经去纽约”这个动作，明显是不对的。

has been to..

been 是去暸然后已经囬来勒
gone 是还没有囬来得.
for a week 知道时间僦是已经囬来勒所以是been

两者意义是不一样的
has been in 表示曾在．．．或是一直在．．．
has gone to 是去过

绝对是has been in