请帮我写一篇英语邀请函、急~内容是：邀请刘老师来参加文化事业管理1班举办的庆国庆活动.

September 日期，2011（靠右） Dear Mr/Miss Liu, Octobor 1 is National holiday. Our class plan to hold an activity to celebrate the birthday of our motherland. We finally decide to host a celebration activity on that day and we would be very pleased if you could attend. There will be lots of entertainments and plenty of food and drink. As our respected and beloved teacher, we hope you can come. It will be our great honor to have you as one of our guests. We look forward to hearing from you soon. Yours sincerely, classmates of Culture Management Class 1