根据语篇内容，用方框中所给词的正确形式填空，使短文通顺、连贯。方框中有两个词为多余词。

    I'm John Wood, a doctor at a famous Boston hospital. During the first two years of high school, I found biology very ____ . My report cards always said things like “must study harder” or “John shouldn't choose science ____ .” It was really terrible for ____ who had always dreamed of becoming a doctor. I lost confidence, so I left high school at sixteen and ____ working at a supermarket.

    One evening I saw a documentary about Albert Einstein. According to the documentary, Einstein had done really ____ at school. I began to think that if Einstein could ____ , then I may have a chance, too. I didn't want to leave my job,____  I decided to go to night school to finish high school. Two years later, I went to a ____ university.

    I've often thought I should contact the ____ from the Einstein documentary and ____ him. As for the biology teacher, I might contact her, too, one day—but not to thank her!