Mary:Why are you smiling? 你为什么在微笑? Tony:I'm thinking about school. 我正想到上学的事. Mary:Why does that make you smile? 为什么那会让你笑了起来呢? Tony:Because there is no school tomorrow. 因为明天不上学. Mary:Oh,I see. 喔,我明白了. Tony:Now you're smiling,too! 现在你也在笑了.
