邀请信
假定你是李华，邀请你的一位外教老师Jack参加“十一”国庆英文演讲比赛活动，担任评委工作。内容包括：
1. 活动时间和地点；
2. 活动主题为“祖国在我心中”；
3. 比赛主要议程。
词数100左右，符合英文邀请函格式要求。
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【参考范文】
Dear Mr. Jack：
I sincerely invite you, my foreign teacher to participate in the “National Day” English speaking competition, and serve as a judge.
Our activity will be held in Academic Reporting Hall at 3：00 p．m. on September 30.The theme of the English speaking competition is “The motherland is in my heart”．
When each speaker ends, each judge will comment on the speaker' speech content and skills, and give a mark comprehensively. According to the scores, the competition has one first prize, two second prizes, three third prizes, and ten outstanding awards. At the end of the competition, all the judges will come on stage to give award to the winners and take photos.
Yours，
Li Hua
