allow sb / sth to do sth:People aren’t allowed to eat food on the underground in Nanjing.在南京，地铁上禁止人们吃东西。
☆美国英语母语人士点评:Lesson is normally what you're studying IN class， and class is just used to talk about the actual course you're taking. Lesson通常是指你在课堂上学习的内容，class只是用来谈论你所上的实际课程。
DearMike，Spring Festival iscoming and all my family are very busy. We are getting ready for it. Mygrandfather is making big red lanterns. Red means good luck in China. My fatheris cleaning the house and my mother is making jiaozi. It’s a kind oftraditional food in China and it’s very delicious. My brother is decorating thedoors and windows and I am sweeping the floor.
