假定你是高三（1）班班長(zhǎng)李華，你班本周五下午將在班級(jí)舉辦主題為"Significance of Willpower（意志力）"的英文演講比賽。請(qǐng)你給你班外教Mrs Brown寫一封郵件，邀請(qǐng)她作為評(píng)委參與這次比賽，內(nèi)容包括：
（1）比賽時(shí)間、地點(diǎn)；
（2）說(shuō)明評(píng)分依據(jù)；
（3）期待對(duì)方參加并征求其意見。
注意：
（1）詞數(shù)80左右；
（2）可適當(dāng)增加細(xì)節(jié)，以使行文連貫；
（3）參考詞匯：給……評(píng)分grade。
Dear Mrs Brown，
______
Yours sincerely，
Li Hua

【考點(diǎn)】書信類．

【答案】Dear Mrs Brown，
On behalf of our class，I'm writing to invite you to act as a judge for the public speaking competition.
The competition will be held in our class from 2 pm to 4 pm this Friday.Students have to give a five-minute speech about the topic--Significance of Willpower.As a judge，you will grade each of the ten speeches in the aspects of the speakers' pronunciation，fluency，and audience engagement.These are  the essential duties of a judge.
What's more，we hope that you can put forward your suggestions on the standard of grading the speeches.I wish you could accept my invitation and get involved in the activity.I'm looking forward to your reply and we can have a discussion about more details.
Yours sincerely，
Li Hua