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COME PHRASAL VERBS
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4. A researcher came across the material for post-it notes when looking for a new kind of glue.
found by chance
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5. Early experiments with flying didn't really come off.
succeed
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6. Parrelet was so respected that when other watchmakers came up against a problem, they would consult him.
encountered
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1. But how do such inventions come about?
happen
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2. Entrepreneurs often come up with ideas to make our lives a little more convenient.
think of
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3. Over time, we come to rely on them.
start to
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