1-C. Toshio: Mainly, I owe what I am to my uncle.Toshio: Mainly, I owe what I am to my uncle.
俊夫:主に、私は恩義を感じています、私があることについてダヨ、私のおじさんにダヨ。
2-C. When you pay the money back, you could say: This is the 800 yen I owe you for yesterday's lunch.When you pay the money back, you could say: This is the 800 yen I owe you for yesterday's lunch.
3. 2 [Mary] What are some of the reasons for your successful career? [Toshio] Mainly, I ( owe | what | I | am | to ) my uncle. He was the one who would always help me when I was in trouble.2 [Mary] What are some of the reasons for your successful career? [Toshio] Mainly, I ( owe | what | I | am | to ) my uncle. He was the one who would always help me when I was in trouble.
(訳はありません)
owingにより
4-C. Owing to the new curriculum, pupils now enjoy more freedom in choosing what courses to take.Owing to the new curriculum, pupils now enjoy more freedom in choosing what courses to take.