the place l live in

请问a place to live和a place to live in哪个对啊?the place where you the place where I live还是the place which l live,还有要怎么分辨什么时候该用 A ________ is the place to live in space which city is the most comfortable place to live in? the best place for him was to live in prison l--being in the place where you live(由L开头的一个字母,后面的其英文解释）快点啊, a place to live+in? a place to live还是a place to live in a place to live 还是 a place to live in Mr Smith is going to live in a quiet place in the countrysid the place where we live in可不可以去掉where和in Mr.Smith is going to live in a quiet place in the countrysid