I give you my word, I mean what I say, ____________ you come any nearer, I will fire

He is my grandparents’ son, but he isn’t my father. He is my _________.

You ______swim in this part of the lake. It’s dangerous.

下列诗句中加点词语的解释有误的一项是 （ ）

They were afraid that their oil and food would soon ______ if the help didn’t come in time.[ ]