請注意

 提醒你們12月12/13/14日是提交證明你缺席的文件的最後一天。

請攜帶證明（裡面應包括你的姓名、日期和授權機構的印章）

Attention

I want to remind you that December 12/13/14 is the   last day    to present the documentation that justifies your absence in class.

Please bring the certification (which includes your name, the date and the stamp of the authorized institution).