中国大学MOOC: How to say “Who is this” in formal occasions?
举一反三
- 中国大学MOOC: Which of the following occasions has a formal debate?
- 中国大学MOOC: Some of the following greetings are for formal occasions and some are for informal ones. Please choose the greetings for formal occasions.
- 中国大学MOOC: Which is the formal way to say goodbye?
- On formal occasions, how many colors of all your clothes should be?
- 中国大学MOOC: For most formal occasions, it’s best to invite guests three or four weeks _________.