1、Unit 4 Colors Lesson 21 warm-up The color song review the new words and sentences yellow blue yellow star review the new words and sentences yellow duck blue cup blue doll review the new words and sentences yellow eraser blue bag blue dress review the new words and sentences Show me your blue bag. I
2、 have a yellow eraser. Show me your yellow eraser. I have a blue bag. I have a blue dress. Show me your blue dress. learn new words black white learn new words white butterfly white wolf learn new words white hair white cat learn new words black flower black box learn new words black wallet black balloon learn new sentence This is a white ball. learn new sentence This is a pair of black shoes. learn new sentence That is a white dog. homework Draw a black box. 谢 谢