Complete the phone call with the present simple or continuous. A: Hi, Mel. Where 1 are you (you / be)? B: Sweden! A: What 2 (you / do) there? B: I 3 (visit) my Swedish friend, Magritte. She 4 (study) here. A: 5 (she / live) in Stockholm? B: Yes. She 6 (work) part-time for a magazine, too. A: Great. 7 (you / have) a good time? B: Yes. It’s her birthday. We 8 (sit) in a lovely restaurant at the top of a tall building and 9 (enjoy) the view of the city. A: 10 (drink) champagne? B: Yes, of course. And we 11 (eat) salmon. A: Mmm . . . that sounds wonderful!

A: Hi, Mel. Where are you?
B: Sweden!
A: What are you doing there?
B: I am visiting my Swedish friend, Magritte. She is studying here.
A: Is she living in Stockholm?
B: Yes. She is also working part-time for a magazine.
A: Great. Are you having a good time?
B: Yes. It's her birthday. We are sitting in a lovely restaurant at the top of a tall building and enjoying the view of the city.
A: Are you drinking champagne?
B: Yes, of course. And we are eating salmon.
A: Mmm... that sounds wonderful!

Explanation:
In this phone call, we use the present simple and present continuous tenses to talk about actions happening at the moment or actions that are temporarily happening.

In the first question, "Where are you?", we use the present simple tense because we are asking about the person's current location.

In the second question, "What are you doing there?", we use the present continuous tense because we are asking about the person's current activity.

In the third answer, "I am visiting my Swedish friend", we use the present continuous tense because it is a temporary action happening at the moment.

In the fourth answer, "She is studying here", we use the present continuous tense again because it is a temporary action happening at the moment.

In the fifth question, "Is she living in Stockholm?", we use the present simple tense because we are asking about a permanent state or condition.

In the sixth answer, "Yes, she is also working part-time", we use the present continuous tense because it is a temporary action happening at the moment.

In the seventh question, "Are you having a good time?", we use the present continuous tense because we are asking about the person's current experience.

In the eighth answer, "Yes, it's her birthday", we use the present simple tense because it is a permanent fact.

In the ninth answer, "We are sitting in a lovely restaurant", we use the present continuous tense because it is a temporary action happening at the moment.

In the tenth question, "Are you drinking champagne?", we use the present continuous tense because we are asking about the person's current action.

In the eleventh answer, "Yes, we are eating salmon", we use the present continuous tense because it is a temporary action happening at the moment.

In summary, we use the present simple tense to talk about permanent states or conditions and the present continuous tense to talk about temporary actions happening at the moment.