1. Homework.
Solution.
A. A fixed future arrangement
Tonight, I´m having dinner with some classmates
B. An action happening around the time of speaking
I´m working very hard these days.
C. A timetable
Lectures start a 9:30
D. A permanent state
College life is very exciting, but there´s so much to do
E. A temporary situation
I´m taking six different courses this him
F. A habit/routine
I get up at 8 o´clock
G. An action happening now
Sarah is calling me