Sending reminders or not depends on whether the invitation is formal or informal.
举一反三
- ______ invitation is often used in a business setting. A: formal B: informal C: formal and informal D: formal or informal
- According to the occasion, the invitation letter is divided into two types: formal and informal.
- Invitation can fall into two kinds: formal and informal. A: 正确 B: 错误
- 中国大学MOOC: Invitation can fall into two kinds: formal and informal.
- An invitation letter is a kind of social letter,it is divided into formal invitation and informal invitation.( )