记得把水（煮沸）至少一分钟，以确保饮用安全。

Remember to ___boil the water for at least one minute to make it safe to drink.

炉子上的汤开始（沸腾）了。

The soup is starting to ___boil on the stove.

你应该把土豆（煮）大约十五分钟，然后再捣成泥。

You should ___boil the potatoes for about fifteen minutes before mashing them.