做这种题目的时候你可以把句子变化一下：this is just the place that I want to visit,that在这里作定语从句的引导词
如果用in which,那么就看visit后面是否缺成分,这里没有缺,不可以变成this is just the place wich I want to visit in,对吧?
给你看句例句：this is a place in which I want to live,因为live后面缺成分in,所以这时in which是可以的
希望我的回答能帮助到你O(∩_∩)O哈!有不懂的继续问我噢~