A. You can say that again. C. We don't have to stop to get more petroleum. 3. - A: - B: I'm not sure, but some can live a thousand years. B. That's why they choose gasoline cars. D. Pollution and fossil fuels have no connection. A. Who do you live with? C. Why are you planting a tree here? 4. - A: Do you always turn off the lights before leaving the room? - B: A. There are many lights to turn off. C. No, I'm not leaving the room. 5. - A: I've seen him before. I remember that. - B: A. He may be your old schoolmate. C. Why didn't you ask him in advance? ive voice B. How long can a tree live? D. How old are they? B. I haven't turned them off. D. Not always. B. I haven't met you. Trust me! D. I totally disagree with you.