Answer:
Ask her politely for some extra time to study; she will understand and provide you with the necessary resources to help you out. I recommend catching up as quickly as possible.
As far as what to send her, I recommend saying something around the lines of...
Dear [insert teacher's name],
May I please have some extra time on my assignments due to the fact that I have been out of school for the past few days? I would greatly appreciate it, and thank you in advance!
Sincerely,
[insert your name here]
Step-by-step explanation:
They are obligated to ensure you succeed.