造3个含有am,is,are的句子,并改为一般疑问句,做肯定和否定回答_百度知 ...答:1. I am twelve years old.Are you twelve years old?Yes, I am.No, I'm not 2. My mother is a worker.Is your mother a worker?Yes, she is.No, she isn't.3. These are red apples.Are these red apples?Yes, they are.No, they aren't.祝你学习进步,更上一层楼! (*...