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Can you tell me the process ___________ making reinforced concrete?

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In 1778, he ……………… to London to study with Benjamin West for four years.

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__________it was so cold, he went out without an overcoat.

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The facsimile machine was created __________ Alexander Bain in 1843.

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His teacher regrets _______ him that his application for the job has been turned down.

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Each fiber in the bundle ___________ only a tiny fraction of the total image.

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Don’t you think my jeans need _______?

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Artificial intelligence (AI) is an area of __________ concerned with making computers copy intelligent human behaviour.