【正文】
Ex 2 on P57 dream about, take a great bike trip, graduate from, got the chance to do sth., cycle along the river, go for long bike rides, mountain bike, persuade sb. to do sth., grow up, get sb. interested in sth., be stubborn, know the best way of getting to places, the source of the river, care about, give sb. a determined look, change one’s mind, at an altitude of, seem to do, the air be hard to breathe, an interesting experience, make up ones mind, give in, a large atlas with good maps, keep doing sth., at first, pass through, be surprised to do sth., half of, at last, the South China Sea useful words and expressions: