Choose the correct words to complete the dialogue

Inna: We are stuck in [traffic|city|car stop].

Andrew: This is awful! It's taking forever to get to work.

Inna: I'm sorry. I understand your complaints. There are just too many [people|cars|animals]. The traffic seems to get worse every day.

Andrew: Next time we should take [public|social|personal] transport. If we take the [bus|aeroplane|subway], we will have more time for ourselves and won't have to sit in traffic.

Inna: Yeah. That's a great way to [save|waste|avoid] a lot of money. I won't have to pay for petrol.

Andrew: I agree with you. Furthermore, we will make a small step in saving our nature. Such decisions will help people to reduce their impact on global warming and make air less [fewer|clean|polluted].

Inna: In the evening, the air in our town is so polluted. Sometimes I can't breathe or even find my car in this [smog|dim|fog].

Andrew: People in our society don't think about the future. Inna, let's meet tomorrow at 8 a.m. and use our local subway to get to work.

Inna: Great idea! Sam can join us. He will support us. He is a(n) [strong|eco-friendly|conversative]person.