1. Title: Write "Message" in the top center of the paper.

2. Title: Write "Dear Teacher" in the top box below the title.

3. Text: Write down the text of the leave note in two spaces under the heading, indicating the reason for the leave first, and then the time for the leave.

4. Signature: Write the name and date of the applicant in the lower right corner of the text.

I suggest that when writing specifically, pay attention to concise language and accurate expression.