...不! Lesson 4 It's Red 第四课 是红色的。 I have a hat. A hat? What color is it? 我有一顶帽子。 帽子? 它是什么颜色的? It's yellow. It's a yellow hat. 是黄色的。 是黄色的帽子。 I have a nose. A nose? What color is it? 我有一个鼻子。 鼻子? 它是什么...