2 – a

Especially if you are going to their house for the first time, you should bring something. You can bring a small item from your country or flowers or some wine.

3 – a

Only interrupt the conversation if your question is urgent, or if there is some kind of crisis.

4 – b

In general, it is important to be on time to events, especially formal ones, such as weddings.

5 – c

You should always wear a wedding ring to let other people know that you are married. Sometimes, if people are romantically interested in you, they will look at your finger to see if you’re wearing one.

6 – a

Despite what someone's expectations are, in American culture, you are not obligated to sleep with anyone.

7 – c

It is polite to call before going to someone’s house.

8 – b

Some people don’t want to talk about where they work, for various reasons. If you want to know, it’s best to ask that question after you talk to the person for a while.

9 – c

Workplaces have different rules for personal phone calls, so play it safe until you find out. In some situations, "a" is acceptable. However, to avoid being seen as presumptuous, it is better to wait and see what the workplace is like.

10 – a