have been to somewhere曾经去过某地,已经回来了.
have gone to somewhere去了某地,还没回来.
I have gone to beijing.意思是 我去北京了,与问题的回答不符合啊,所以句子是对的,但是不能这么回答.如果是问Have you gone to beijing?那么去过的话,回答就应该是I have been to beijing.
e.g
I have been to Beijing.
我去过北京.
Where is he?
He has gone to Beijing.
他在哪儿?
他去北京了.