Lesson 17 Seasons复习• January February March April May June July August September October November Decemberput on take off hat jacket boots shorts T-shirt pants sweater December January FebruarywinterMarch April MayspringJune July AugustsummerSeptember October NovemberfallDecember January FebruarywinterMarch April MayspringJune July AugustsummerSeptember October Novemberfall新词和短语mittens scarf put on take offget wet