Expressions of Greeting and Their Responses

The expressions “good morning, good afternoon, hi, and good evening” are called greetings. We greet people when we meet them.
Here are expressions of greeting and their responses.

Greeting Response
Hello/Hi. Hello/Hi
Good morning./Morning. Good morning./morning.
Good afternoon./Afternoon Good afternoon./Afternoon.
Good evening./Evening. Good evening./Evening.
Hi. How are you? I’m fine, thanks/Fine, thanks. How about you?
Hello. How are you doing. Hello, I’m great. Thanks.
Morning. How’s life? (Informal) Morning. Not bad. Thanks, and you?
Good to see you (again) Good to see you too.
  Thailand, which has already won three gold medals at the Athena Olympics,