Kate: Mom, do you know what I'm going to give you for your birthday?Mom: No, Honey, what?Kate: A nice teapot.Mom: But I've got a nice teapot.Kate: No, you haven't. I've just dropped it.凯特：妈妈，你知道我要给你一件什么生日礼物吗？妈妈：不知道，宝贝，是什么呀？凯特：一把漂亮的茶壶。妈妈：可是我已经有一把漂亮的茶壶了呀。凯特：不，你没有了。我刚刚把它给摔了。