首先，将土豆煮约15分钟。

First, ___boil the potatoes for about 15 minutes.

你能不用电饭煲煮米饭吗？

Can you ___boil rice without a rice cooker?

煮好意大利面的秘诀是用大量盐水煮。

The secret to good pasta is to ___boil it in plenty of salted water.