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.