Why does Mr Halley drive back to his old farm once a week?

Is it easy for farmers to decide to leave farming and move to the city?

Are the Halleys they decided to sell the farm? Explain.

1. In the city, where do people live?

A. In houses and on farms
B. In houses or apartment buildings

How do people travel in the city?

A. By trucks and by tractors
B. by taxi and subways

What is the book trying to tell us?

A. The differecs between city and country
B. Where do people in the city do?
C. How do people in the country travel?

Is sorting refuse a good way to save resources?