形容词与副词单句改错之真题训练：1. After an hour or so we began to feel very frightening. 2. However, we seldom felt lonely or helplessly. 3. Last Sunday, police cars hurried to the taller building in New York. 4. As a result, people in the modern world generally live much more longer than people in the past. 5. People in industrial countries can expect to live for twice so long as people who lived a few hundred years ago. 6. In some places you may borrow many books as you want.7. I never knew a
