問題文全文(内容文)：
竹内先生が早稲田大学の入試(文法正誤)を解説します。

以下の例文を見て、間違っている箇所を見つけられますか？
To the finalists, Bill and I, the last night jump was the most exciting as well as the most difficult.

問題文全文(内容文)：
慶應大学商学部の問題など、文法問題を解説！

問題文全文(内容文)：
青山学院大学の英語全学部入試(2021年)の解説をします。

以下の問題に挑戦してみましょう！
31. The Olympic flame derives from the ancient Greek practice of keeping a fire (　) the duration of the games.
① burning in
② burning for
③ burned in
④ burned for


32. If they had known about the accident, they (　) the plan.
① have changed
② had changed
③ would change
④ would have changed


33. I (　) play the piano these days.
① always never
② hardly ever
③ sometimes yet
④ rarely often

34. I succeeded in obtaining (　) confidential information.
① a
② some
③ many
④ another

35. (　) people get the chance to travel around the world.
① Never little
② Not many
③ So much
④ Never few

問題文全文(内容文)：
$n=1,2,3…$
$a_{n}=\displaystyle \frac{4N+3}{n(n+1)(n+2)}=$
初項から第$n$項までの和を求めよ

出典：同志社大学　過去問