开头部分：how nice to hear from you again.let me tell you something about the activity.i’m glad to have received your letter of apr. 9th.i’m pleased to hear that you’re coming to china for a visit.i’m writing to thank you for your help during my stay in america.结尾部分：with best wishes.i’m looking forward to your reply.i’d appreciate it if you could reply earlier.更多知识点也可关注下北京新东方的高考英语课程。
