1. New York has more billionaires than Tokyo. (FEWER)

-> Tokyo has fewer billionaries than New York.

2. A group of foreigners visited the slums last week, didn't they? (VISIT)

-> Did a group of foreigners visit the slums last week ?

3. The countryside doesn't suffer as much pollution as the city. (LESS)

->The city doesn't suffer as less polution as the countryside .

4. Does overpopulation cause a lot of social problems in this area? (CAUSES)

-> Are overpopulation the causes of social problems in this area ?

5. Jakarta doesn't have as many skyscrapers as Shanghai. (MORE)

-> Shanghai has more skyscrapers than Jakarta