This is a speaking and listening exercise. What you have to do is simulate a phone conversation with your friend Berta.
For that you need to read the guide that they give you for the dialogue and then listen to the audio, finally answer the part of the dialogue that corresponds to you.

This woul be the guide for the dialogue:

**You**: Answer the phone.

**Berta**: (She says hi and asks how you are)

**You**: Say hi.

**Berta**: (She tells you something and asks you something)

**You**: Answer and ask her what she wants to study.

**Berta**: (She answers you)

**You**: Tell her what you think of her choice.

**Berta**: (She asks you where you want to go)

**You**: Answer and explain why.

**Berta**: (She says good bye.)

**You**: Say goodbye and hang up.