Exercícios com "Economic" e "Economical" em inglês

Assinale a alternativa correta usando "Economic" ou "Economical" em inglês.
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Small cars are much more __________.
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We have decided to trade in our car for a more __________ one.
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Another __________ crisis is looming in Europe.
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She's rich but she likes to buy clothes at __________ prices.
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It's not always __________ for buses to run on Sundays.
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According to an __________ survey, our country is in recession now.
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They're the perfect example of a rational, __________ people.
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Solar energy might be a more __________ solution.
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They're working on a program to prevent inflation and _________ collapse.
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The new fuel-efficient cars are very __________.
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