"What's up ?" can be used to greet each other in English.
举一反三
- How can people greet each other informally? ( )_
- We also learn English so that we can communicate and __________ each other in Singapore, and learn from each other's cultures.
- It’s unnecessary to use formal expressions and you can say “hi” or “hello” to greet each other in a business meeting.
- 中国大学MOOC: How can people greet each other?
- 中国大学MOOC: How can people greet each other informally?