1.Yet anyone who has ever pushed a heavy box along a street knows that aristotle was right.

2.since people generally like what they are good at.
그들이 능숙한것을 일반적으로 좋아하는 사람떄문에~로해석해도되나요

3.Areas which children are considered good at in sixth grade may not be the same ones in which
they excel by the end of their senior year.

해석좀.