【正文】Dear Smith，
　　How are you？ How time flies！ Now the winter vacation was over and I have come back to school again.
　　We had 20 days in all for the holiday， during which we had the most important Chinese Festival—the Spring Festival. It took me nearly a week to visit my relatives and attend family parties， as it is a traditional custom in China. Of course， I spent most of the time doing my lessons. As you know， I will take the National Examinations in June and it’s only a few months away. Every day I did some English reading， practiced writing compositions， worked out a number of science problems and so on. When I got tired， I would do something to relax myself， like playing basketball with my friends， listening to music， surfing the Internet， playing games， and everything that helped to recover my energy.
　　In a word， I had a full， busy and wonderful holiday. How about you？ I’m looking forward to hearing from you soon.
　　Yours，
　　Sun   Hang

　　指导老师：王屹