给下列句子加上标点。
①黑色的猪群____不停地呼噜着____ 像是对什么表示赞许____
②在天堂般的绿色草原上____白色的绵羊____ 悠然自得____
— What would you like for breakfast?
— I like hamburgers. But now I'd like ________ some cakes.