The experiment ________ because one of the machines stopped working., broke down, gave off, We need to ________________ choices before Friday., narrow down, plug in, The old building was __________ a modern library., turned into, put through, This chemical can ___________ toxic fumes., give off, come off, I called the company and asked them to ________________to the technical department., put me through, carry me out, Can you ____________ what time the train leaves?, find out, turn off, The scientists are ___________ research into air pollution., carrying out, breaking down, My internet was ___________ because I forgot to pay the bill., cut off, turned into, Who ___________________ this brilliant idea?, came up with, narrowed down

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