1. John didn't study for the exam. That was a very stupid thing to do.
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2. We flew to New York in the Concorde. It is the fastest passenger plane in the world.
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3. Smallpox has disappeared. It once killed thousand of people every year.
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4. I passed him a large glass of whisky. He drank it immediately.
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5. The small man was Lisa's husband. Nobody recognised him.
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6. This is Mr. Jones. He writes poetry.
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7. This is Felicity. You met her sister last week.
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8. He swam across the English Channel. It is hard to believe that.
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9. Her wife died last year. Her name was Angela.
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10. Borges was a wonderful writer. He never won the Nobel Prize.