— _____ you at school last night?

— No, I _____ at home.

- Today's young people can't live without smart phones.

- They keep their hands on the phones whether they go, even while they ______ meals.

每天早晨起床后，对着镜子，冲自己自信地微笑，告诉自己：新的一天开始了，以微笑迎接新的一天。这种调控情绪的方法是换位思考。（  ）