根据以下听力内容,在对应横线上填写 Question 1- 3 的正确选项字母。 Question 1. ______ A. To have better opportunities. B. To improve his skills. C. To work fewer hours. D. To get a higher salary. Question 2 . ______ A. For six years. B. For five years. C. For three years. D. For two years. Question 3 . ______ A. A professor. B. A manger. C. An engineer. D. A designer.