Unit 4 Seasons第第3 3课时课时语法语法栏目导航栏目导航课时精讲课时精讲课时过关课时过关课后拓展课后拓展课时精讲课时精讲课时过关课时过关healthy rainy snowy sunny interesting / interested noisy important friendly dangerous useful / useless suitable surprised surprising briefly healthier advice bored boring done interesting interested brightly amazing amazed Its interesting to play games with friends in the free time. Its important for us to eat fresh fruit every day. Its dangerous to climb this mountain. Its friendly of you to help me learn English. 课后拓展课后拓展B C C A C B A C C B a to get turns exciting brightly and Leaves to go because with