关键句型一：谈论梦想的句型-我的梦想是当一名老师的12种替换说法，难度由易到难.
1. I'm going to be / become a teacher.
2. My dream is to be a teacher.
3. I dream of becoming a teacher.
4. My goal is to become a teacher.
5. I want to be / become a teacher in the future.
6. I would like to be a teacher in the future.
7. I wish to be / become a teacher in the future.
8. I hope I will become a teacher in the future.
9. I've decided to be a teacher in the future.
10. I've made up my mind to become a teacher in the future.
11. I'm determined to become a teacher in the future.
12. I have a dream and that is to become a teacher in the future.
关键句型二：表示"献身于……"的句型（以本题为例），我想要献身于某事的6种替换句型。
1. I will devote myself to the cause of education.
2. I will give all my life to the cause of education.
3. I will dedicate my life to the cause of education.
4. I will make the cause of education my life's work.
5. I will work for the cause of education my whole life.
6. I will work with all my heart and soul for the cause of education.