42%
Complete this student's frantic text message to her roommate by choosing the best word for each gap.
I missed the bus _________________________ my alarm didn't wake me up, _________________________ I am definitely going to be late for Professor Snape's chemistry lecture!
I missed the bus because my alarm didn't wake me up, so I am definitely going to be late for Professor Snape's chemistry lecture!
Use because to introduce a reason or cause (the alarm didn't go off).
Use so to introduce a result or consequence (being late for the lecture).