高一英语道歉信的写作需简洁明了，突出原因与诚意。以下是5篇典型范文供参考：

范文一：因事无法参加会议

Dear David,

I am sorry I cannot attend the project meeting next Tuesday afternoon. I have a business flight to Shanghai that day. I will send a summary of the meeting's progress via email. Thank you for your understanding.

Sincerely, Li Ming

范文二：海外学习无法赴约

Dear Alice,

I regret not being able to join you for dinner tomorrow evening. I have been accepted to study overseas, which is crucial for my academic goals. I hope we can meet soon.

Sincerely, Li Li

范文三：机场送别失约

Dear Charlie,

Sincerely,

写作技巧提示 ：

1. 开头直接说明道歉原因，避免冗长；

2. 提供替代方案（如发送邮件、补上活动等）；

3. 结尾表达诚意与期待弥补的愿望。