Not knowing that it was for the last time.
Answer:
I guess that the answer is 'for'
Is it an omniscent story, a first person? Is it one about yourself?
Answer:
Theme
Explanation:
The theme is Keith couldn't find a topic but he tried thinking of one. At last, the due date came near and he knew he was going to fail.
Maybe if he picked a topic that kind of interested him, he would have not failed the assignment.
Hope this helped!