![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
Rewrite the following sentences with proper tone. 1. We have shipped your order by UPS, and we are sure it will arrive in time for the sales promotion December 1. 2. I'm asking all employees to respond to the attached survey about working conditions. 3. I have granted you permission to attend the communication seminar.