原來如此
1. If they devote themselves to spelling, a student may be able to end up hanging out with the president.
理由:
a. (A) confine vt. 侷限
confine oneself to + N　　限制某人在……（範圍）內
例: The kung fu master doesn't confine himself to a single fighting style.
（那位功夫大師不將自己侷限在某種功夫招式。）
(B) devote vt. 使專心，致力於
devote oneself to + N/V-ing
= dedicate oneself to + N/V-ing　　某人致力於……
例:　Mr. Su devoted himself to helping the poor in society.
（蘇先生致力於幫助社會上的窮人。）
(C) submit vt. 呈交
submit sth to sb　　將某物呈交給某人
例: The accountant submits paperwork to the boss every week.

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