What is the most appropriate answer?

You're talking with a group of four people. Do you make eye contact with:
1. just the person to whom you're speaking at the moment?
2. each of the four, moving your eye contact from one to another?
3. no one particular person (not looking directly into anyone's eyes)?
The waiter's coming toward you to serve orange juice. You don't want any. You turn your glass upside down. Are you correct?
1. Yes
2. No
When you greet a visitor in your office, do you:
1. say nothing and let her sit where she wishes?
2. tell her where to sit?
3. say "Just sit anywhere"
You're invited to a reception and the invitation states "7:00 to 9:00 PM." You should arrive:
1. at 7:00 PM
2. anytime between 7:00 PM and 9:00 PM
3. between 7:00 PM and 7:30 PM
4. go early and leave early
You're greeting or saying good-bye to someone. When's the proper time to shake their hand?
1. When you're introduced
2. At their home
3. At their office
4. On the street
5. When you say good-bye