Tu or vous

Tu or vous

choix multiple

In the following situations, would you use tu or vous?

You are speaking with your boss at work.
1. tu
2. vous
You are speaking with your brother.
1. tu
2. vous
You are speaking with your instructor.
1. tu
2. vous
You are buying a train ticket at the train station.
1. tu
2. vous
You are calling or ordering in a restaurant.
1. tu
2. vous
You are calling a friend.
1. tu
2. vous