没错
如果改a为the , 就是特指, 不改冠词也讲得通

【希望帮助到你,若有疑问,可以追问~~~
祝你学习进步,更上一层楼!(*^__^*)】would like some bread for your breakfast这句对不对不对， 没有主语如果是问句，要说：Would you like some bread for your breakfast ？