Образец выполнения: The Chevrolet /economical/ the BMW.
The Chevrolet is more economical than the BMW.

1. The BMW /expensive/ the Volvo.
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2. The Volvo /expensive/ the Ford.
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3. The Renault /economical/ the Chevrolet.
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4. The BMW /fast/ the Chevrolet.
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5. The Renault /slow/ the Ford.
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6. The Renault /cheap/ the Volvo.
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7. The Lada /economical/ the BMW.
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