你永远猜不到答案——你认输吗？

You'll never guess the answer - do you ___give ___in?

经过数小时的谈判，他们最终屈服于我们的要求。

After hours of negotiation, they finally ___gave ___in to our demands.

尽管有压力，他拒绝屈服。

He refused to ___give ___in despite the pressure.