A. happy B. relatively C. when D. some E. tough F. much G. lying H. cliffs I. although J. connect K. enjoyable L. that M. smooth N. relate O. where The United States is well-known for its network of major highways designed to help a driver get from one place to another in the shortest possible time. (1) _____these wide modern roads are generally (2) __________ and well maintained, with few sharp curves and straight sections, a direct route is not always the most (3) _______ one. Large highways often pass by scenic areas and interesting small towns. Furthermore, these highways generally (4) _______ large urban centers, which means that they become crowded with heavy traffic during rush hours, (5) ________ the "fast, direct" route becomes a very slow route. However, there is almost always another route to take if you are not in a hurry. Not far from the (6) ________ new "superhighways", there are often older, less heavily traveled roads which go through the countryside. (7) _______ of these are good two lane roads; others are uneven roads curving through the country. These secondary routes may go up steep slopes, along high (8) _______, or down frightening hillside to towns (9) _________ in deep valleys. Through these less direct routes, longer and slower, they generally go to places (10) _________ the air is clean and scenery is beautiful, and the driver may have a chance to get a fresh, clean view of the world.