Unit 3 Is It Snowing?是在下雪吗？Let's review!What are you doing?What is he doing?What are they doing?Let’s learnsnow雪，下雪wind风rain雨，下雨cloud云sky天空raincoat雨衣glasses眼镜Play Games on New Words ！snow windrain cloudsky raincoatglassessnow windrain cloudsky raincoatglasses
