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What is ______ city in the world?

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Commercial centres are _______ they were many years ago.

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Computers are considered as_______tools today.

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He is the _______ student in this class.

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She is the _______ daughter in the family.

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Bao Yen sings_______ than this singer.

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A supermarket is _______a shopping centre.

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This building is _______ than that one.