☆ in の 用法 in the twenty-first century (〜世紀に) in the 1990s (1990年代に) in 1998 in the spring (四季) in October (〜月) in the morning, in the after noon, in the evening in an hour (一時間で), within an hour (一時間以内で) in the world (世界中で) in Africa (〜大陸に) in the Caribbean (地中海で)、瀬戸内海で in Japan (国) in Texas (州) in Tokyo (都市) in the World Trade Center (〜ビルに) in the living room (〜部屋で)、in the kitchin, in the bedroom in a gray suit (衣類で) in a blue suit in The Shitsurakuen (本に) in Asahi Weekly (雑誌に) the がついていない点に注目 in the (planning) department (〜部に) in + field (〜分野で) in computer science in my opinion in the past/ in the future in a car/ in a taxi 59ページ in trouble in danger in part (=partially) in front of in the middle of in back of in the rear in the market in line