As a city grows bigger in size, there will be a greater ________ of resources such as energy and water.

In addition to a strong economy and efficient transportation, cities also need to have high levels of _____________________ to attract tourists and businesses.

Some high school students try to _____________________ their chances of being accepted at a good college by volunteering to help others in the community.

More and more people are moving from the countryside into cities. This _____________________ is called urbanization.

It is becoming _____________________ common for people in cities not to own a car because of concerns about the cost and impact on the environment.

Surveys show that the _____________________ of students prefer instructors who are passionate about the subjects they are teaching.

Cities like New York and Rome tend to have _____________________ neighborhoods that look and feel very different from one another.