Sometimes,when I look at the sky,I will think which star is the onethat the little prince lives on.有时候当我凝视天空,我会想哪一颗是小王子居住的星球.在句尾加介词on ,介词on的逻辑宾语是定语从句的先行词,...那个 the one 用的对吗对啊，很正确