問題文全文(内容文)：
You were foolish to play football on such a hot day.
It was careless of them to forget their water bottles.
It is kind of you to help me with my report.
Meg has decided not to stay up late.
She studied hard in order not to fail the math test.
Take care not to catch a cold before the test.

問題文全文(内容文)：
自動詞と他動詞について解説しています。

問題文全文(内容文)：
【映画で学ぶ英文法】『ダークナイト・ライジング』で学ぶ「時制（未来）」【ネタバレあり】

問題文全文(内容文)：
接続詞のwhereについて説明します。

次の英文を和訳しなさい。
He hypothesized that air was something interfering in the fall of the feather and that if an experiment could be done where there is no air, then the hammer and feather would fall at the same speed.
(2011早稲田理系)