Once you are sure the walls are in the right place and you don't have to make any further adjustments, ______ them to the floor and to each other.

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Scientific _______ play an important part in co-ordinating research.

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Would you like a single or a _______ room?

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Companies try to make use of new progressive manufacturing technologies so as to take the leading place in economic _______.

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_______ is the total money value of all final goods produced in the domestic economy over a one-year period.

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The _______ of Stonehenge began about 5,000 years ago.

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I wrote a list so that I wouldn’t forget _______.

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It was much _______ than he expected.

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Mark Twain said: “When in doubt tell _______ truth”.

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They are not having their holidays _______ this year.

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Our planet is in grave danger _______ human activity.

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Alice said that her parents _______ back in a week.

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I didn’t notice them _______ the room.

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It _______ us what flight to choose.

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We were to meet at seven, but I _______ come here in time.