那时候我们还年轻，经常一起去海边玩。

We were young ___then and often went to the beach together.

商店关门了，所以我们决定明天再来。

The store was closed, ___so we decided to come back tomorrow.

那么，我们现在该去哪里吃饭？

___Then, where should we go for dinner now?