如果不能来上课请提前请假的翻译：If you cannot come to class early leave of 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

If you can not come to class, please leave advance

If you cannot come to class early leave of

If cannot come to attend class please ahead of time do ask for leave

If you cannot come to school to leave ahead

If you cannot come to class early leave of