3. Saying Hello in the USA

Which greeting is mentioned as an exception to being considered formal?
1. Hello
2. Good morning
3. Hi
4. Good day
When was the greeting "what's happening" very popular?
1. During the 1950s and 60s
2. During the 1970s and 80s
3. During the 1990s and 2000s
4. During the 2010s
Where should informal greetings like "what's up" be used?
1. In formal business meetings
2. In court
3. In informal encounters with friends
4. In job interviews
What does saying hello with a smile convey?
1. That you are angry
2. That you are unfriendly
3. A friendly attitude and willingness to get to know the other person
4. That you want to leave
What does the essay say about younger people and greetings?
1. They use only formal greetings
2. They have created their own slang for greeting someone, which is constantly changing
3. They never greet anyone
4. They only use greetings from other countries