A: Hello, Jason.
B: Hello, Ken. You don't look well. ?
A: I've got a terrible cough, and I cough day and night.
B: I'm sorry to hear that. ?
A: For about 2 weeks. The doctor said the cough was caused mainly by air pollution. I think we should do something to protect environment.
B: . What should we do?
A: First, we'd better drive car less and walk to work more often.
B: All right. But my home is far from my workplace.
A: is it?
B: It's about ten kilometers away.
A: take a subway to work?
B: You're right! From now on, I'll do as you said.
