______ invitation is often used in a business setting.
A: formal
B: informal
C: formal and informal
D: formal or informal
A: formal
B: informal
C: formal and informal
D: formal or informal
举一反三
- In what situation is the invitation letter often used A: Formal situations B: Informal situations C: Both formal and informal situations
- An invitation card is always used on informal occasions while an invitation letter is always used on formal ones.
- An invitation letter is a kind of social letter,it is divided 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
- Is the following sentence formal, neutral or informal?We can assist in the solution of this matter. A: Informal B: Formal C: Neutral