1、售完
... be settled in 安顿；适应 be sold out 售完 be tired of 讨厌，不耐烦，厌烦 ...
2、卖完
... be scheduled to do sth. 计划做 be sold out 卖完，背叛 be seuck in traffic jam 遇交通阻车 ...
3、卖光
...out of stock 脱销be sold out 卖光violent content 暴力内容 ...
4、买完了
...Yes, do please. 请（做…）吧。be sold out 买完了depend on sth./sb. 依靠…… ...