conversation2.mp3: Conversation Two(20%) 6. A. Preparing a presentation B. Going for a car race C. Playing with Roger D. Doing her homework 7. A. It’s harmful to environment B. It’s welcomed by Americans C. It’s expensive to buy racing cars D. It’s dangerous to play the game 8. A. Species extinction B. Ozone depletion C. Greenhouse effect D. Air pollution 9. A. They prefer subways to cars B. They’re reluctant to drive cars C. They tend to drive a lot D. They are inclined to choose buses 10. A. It’s not easy to drive B. It’s expensive for him to buy one C. It’s popular in America D. It’s much safer than common cars