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Preserving the national heritage can present a ________ to many nations, especially if they have many sites.

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How many _____________ buildings are damaged by fire each year?

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No fluorescent lights, no motorcycles, no television, on the 15th day of each lunar month, the riverside town of Hoi An _____________ modern life the night off.

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The clubs will organise training for students who want to learn folk songs, a _________ musical instrument, or folk dancing.

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A non-profit organization uses its website to reach people around the world and collects ________ from ones who want to help.

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They want to _____________ the castle to its former glory.

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The _______ monument was built to commemorate the great leader of our nation.