我们今天练习了 Exercise on Page 285, 174, 17-5 and 17-7 during class. If you are not here, please make sure you do the exercise at home as well.  作业：please write a letter in the letter format to me and talk about the weather in a city that you are familiar with. Topic should include: 天气（weather), 温度（degree), 气候（climate)  and your preference of the four seasons.

再见！