Casual conversation about ordinary or unimportant subjects, especially at social occasions, is called . （ ）
举一反三
- On formal occasions, wearing too casual is forbidden._
- 【单选题】especially important A. extremely important B. unimportant
- Informal attire is also called casual or smart casual one.
- The phrase "social occasions" underlined in Paragraph 2 means______.
- A．speakersB．listeningC．conversationD．occasions A: speakers B: listening C: conversation D: occasions