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I have had thousands of classes since I started school nine years ago. But only one

1 was the most important. It happened last term just after I had got a

2 result in an exam. I was sad and had lost my confidence. I decided to go to a class which can tell me how to be

3 . The speaker walked into the room. But he did not start talking

4 a teacher. In-stead, he held up a twenty yuan note(钞票) !