Find the mistake in the following sentence.

Last winter, the hall looked very festival with its Christmas tree.

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On the day of the Fire Dancing Festival, the Pà Thẻn ethnic group in Hà Giang set a big ______ on the yard and start the rituals.

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During Tet holiday, we ______ our houses with apricots of peach blossoms.

What does this sign mean?

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Christmas time is coming around, so next Friday, each student in my class will bring a gift and then ______ it with another student.

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A ______ is an event where people try to win by doing better or faster than others.

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During the Harbin International Ice and Snow Festival in China, artists use different tools to carve the hard ice and snow, and visitors can see huge snow ______ of people, buildings and animals.

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The U.S. always celebrates the Fourth of July with an amazing ______ display in the sky.