你好,这道题的正确答案是：

What do people like to eat on their birthday?
would like to do= want to do 想做某事
人们在他们生日时想吃什么?
What would people like to eat on their birthday?(改为同义句）What ——people—— ——like to eat on their birthday你好，上面我的回答已经给出了答案?What ( were) people (going to) like to eat on their birthday ***************************************************^__^祝你学习进步，如果有疑问，请追问，如果对你有所帮助，请千万别忘记采纳哟！***************************************************我想说的是，这是一道题啊明白因为上一种改法不符合这个格式要求，所以才换用现在这种格式这一种是把would换用be going to