课文内容填空: I worked there for seven years and 1) ____ so many lessons, especially from a(n) 2) ___ waitress. Helen was in her 60s, had red hair, and 3) ____ of self-respect—something I was really 4) ____ . I looked up to Helen because she was doing what she loved— 5) ___ people—and nobody did it 6) ___ .