1)
A: What are you writing?
B: I am doing my homework.
2)
A:Hello. Is Nina at home?
B: No, she is playing tennis with her friend
3)
A: Do you like online classes?
B: They are not bad, but I prefer our usual classes
4)
A: Don't make noise. I am writing an essay.
B: Sorry.
5)
A: Is Victor watching the news?
B: No, he is watching a football match