According to the occasion, the invitation letter is divided into two types: formal and informal.
举一反三
- An invitation letter is a kind of social letter,it is divided into formal invitation and informal invitation.( )
- 中国大学MOOC: A letter of invitation can be classified into formal invitation and informal invitation.
- A letter of invitation can be classified into formal invitation and informal invitation. A: 正确 B: 错误
- 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.