The answer would be “but” since it contrasts his motivation with competing with others for a high score.
Hopefully this helped.
I'm not sure what the lesson is, but the answer that makes sense the most is number. Number because most lessons in subject-verb agreement concerns the singularity and plurality of the subject at hand
Answer:
educateing
Explanation:
it's not following the rule! it should be<em> educating</em>
bye!!!!