Réponse :
USA: Hi Well, I'm at home but I can't come. We have a test in History
tomorrow and I study. (I am studying?)
BRIAN: Sorry, I can't come. I'm with my parents. They buy me a computer. (they are buying me...?)
JEFF: I'm on the bus. I go to Katie's. (I'm going to Katie's...?)
MIKE: I'm at home. I do nothing special (I am doing nothing special?) . OK. See you in
ten minutes.
Explications :
using -ing because describing what they are doing at this moment?