——I have been to the Great wall.——when did you go there?有错么?

问题描述:

——I have been to the Great wall.——when did you go there?有错么?

没错.
第一句用现在完成时,表示我已经去过;而第二句问具体时间,用一般过去时.
翻译:我已经去过长城.你何时去的?
注意:如果用gone的话,例:he has gone to the Great wall表示他已去长城(还没回来).本句的意思显然已经回来