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The machine has ________ cover.

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They have got ________.

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The cakes taste ________ and also sell ________.

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She doesn't know Mr Smith ________ to ask him for help.

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Robots can do a lot of things. They are very ________.

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Xupu Bridge is perhaps one of ________ in the world.

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Noise pollution makes people become ________ more ________.

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Mr. and Mrs. Turner have a ________ son.

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Which is ________ to the earth, the moon or the sun?

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Xiao Liu was ________ to win the first prize.

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