会話の原則⑩：NAGARE＜流れ＞ 興味を示す２－あいづちを打つ

ラジオ英会話　Lesson 222 会話の原則⑩：NAGARE＜流れ＞ 興味を示す２－あいづちを打つ Key Sentence They were talking about pyramids. - Were t...