汤姆在烹饪比赛中赢得了一等奖。

Tom won ___first prize in the cooking contest.

我姐姐唱得很美，赢得了一等奖。

My sister sang beautifully and won the ___first prize.

在任何情况下，安全都应该放在首位。

In any situation, safety should come ___first.