假定你是学生会主席李华，近期你学校开展"党在我心中"英文演讲比赛活动，你代表学生会邀请你的一位外籍老师Mary参加此次活动，并担任评委工作。内容包括：
1.活动时间和地点；
2.活动主题为"党在我心中"；
3.比赛主要议程。
4.期待参与。
注意：
1.词数100左右；
2.符合英文邀请函格式要求。
3.参考词汇：
中国共产党the Communist Party of China （or the CPC）

【考点】书信类．

【答案】Dear Mary，
On behalf of our student union，I sincerely invite you to participate in an English speech contest and serve as a judge.
Aimed to raise the awareness of loving our Party，a speech contest themed "the CPC in my heart" will be held in Academic Reporting Hall at 3：00 p.m.jye.ai November 20.After all the competitors finish their speeches，each judge will make a comment on the speakers，and give a mark comprehensively.According to the scores，the competitors will be awarded different prizes.At the end of the competition，the winners will have photos taken with all the judges.
I am looking forward to your participation.
Yours
LiHua