Rewrite sentences, using the words or phrases in bracket, adding more words if necessary

II. Rewrite sentences, using the words or phrases in bracket , adding more words if necessary. (1.0pt/5)

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

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

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

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

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5. We haven’t got any tomatoes. (THERE)