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)

問題文全文(内容文)：
文型のうちSVOO（目的語を二つ取る動詞）についてじっくり解説します！！

問題文全文(内容文)：
おすすめの教材を紹介します

問題文全文(内容文)：
The student who is giving a speech is Dolly.
Maybe something has happened to Robert, who is always in trouble.
Dolly, whom I trust completely, always keeps my secrets.
Nancy visited the Great Wall, which is listed as a World Heritage Site.
She bought me a gift from China, which I display on my bookshelf.

問題文全文(内容文)：
N.T.のLesson4-1の解説(不定詞の名詞用法)です。