reward

我们赢得了一个比赛，得到了一个惊喜奖励。

We won a contest with a surprise ___reward.

第一个完成的人会有奖励。

There'll be a ___reward for whoever finishes first.

作为奖励，我父亲给了旁观者500美元。

As a ___reward, my father gave $500 to the bystander.