Phong: I believe it will be better thanks to modern technology.

Chi: Oh… that's not the main reason. I think we will have a better escape because there will be no more pollution. That is why our city will cause no harm to the environment and can survive. Ha: You mean an eco-friendly city, right?

Minh: Exactly. What do you think, Phong?

Phong: I like your idea, but we can't put all of them in our presentation. We should focus on either modern technology, or the environment. We only have ten more minutes, right?

Ha: That's right. I suggest choosing an environmental issue. We can talk about solar energy that will be used in transportation in the future.

Chi: Good idea, Ha. If we use more solar energy, the air will be cleaner and our health will be better. People can have many health problems and can get sick if they breathe in the polluted air. 

ha: I believe it will be better thanks to modern technology.

long: Oh… that's not the main reason. I think we will have a better escape because there will be no more pollution. That is why our city will cause no harm to the environment and can survive. Ha: You mean an eco-friendly city, right?

huy: Exactly. What do you think, ha?

ha: I like your idea, but we can't put all of them in our presentation. We should focus on either modern technology, or the environment. We only have ten more minutes, right? 

 đức : That's right. I suggest choosing an environmental issue. We can talk about solar energy that will be used in transportation in the future.

huy: Good idea, Ha. If we use more solar energy, the air will be cleaner and our health will be better. People can have many health problems and can get sick if they breathe in the polluted air.