国王答应了英语怎么说

"国王答应了" 的英文表达是 "The king agreed"。
这个表达来源于英语中动词 "agree" 的意思，"agree" 的意思是同意或赞同。因此，"The king agreed" 可以表示国王同意了某些事情。
下面是一些例句：
The king agreed to meet with the ambassador at noon. (国王答应在中午和大使会面。)
The queen asked the king if he agreed to her plan, and he nodded his head. (王后问国王是否同意她的计划，他点了点头。)
The king agreed to sign the treaty, but only on the condition that his country's interests were protected. (国王同意签署条约，但仅在保护本国利益的前提下。)