笔记本电脑在20世纪80年代首次问世。

Laptop computers first ___appeared in the 1980s.

这篇报道出现在了所有主要报纸上。

The story ___appeared in all the major newspapers.

快餐店已经出现在了几乎每一个城市。

Fast-food restaurants have ___appeared in almost every city.