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.
Combine the sentences using relative pronouns (use a comma if it is necessary)
1. We flew to New York in the Concorde. It is the fastest passenger plane in the world.
=>We flew to New York in the Concorde which is the fastest passenger plane in the world.
2. This is Mr. Jones. He writes poetry.
=>This is Mr. Jones who writes poetry.
3. This is Felicity. You met her sister last week.
=>This is Felicity whose sister You met last week.
4. He swam across the English Channel. It is hard to believe that.
=>He swam across the English Channel which is hard to believe .
5. His wife died last year. Her name was Angela.
=>His wife died last year whose name was Angela.
6. Borges was a wonderful writer. He never won the Nobel Prize.
=>Borges who was a wonderful writer never won the Nobel Prize.
7. Charlie Chaplin died in 1977. His films amused millions.
=>Charlie Chaplin died in 1977 whose films amused millions.
8. My parents send their best wishes. You met them last month.
=>My parents send their best wishes whom You met last month.
9. His sisters are identical twins. I saw them last.
=>His sister whom i saw last are identical twins.
10. Dr. Okey is our family’s dentist. He is a popular dentist in the city.
=>Dr. Okey is our family’s dentist who is a popular dentist in the city.
11. They drank a lot of Coke. It is Diet Coke.
=>They drank a lot of Coke which is Diet Coke.
12. The river is the Sai Gon River. It flows through Ho Chi Minh City.
=>The river which flows through Ho Chi Minh City is the Sai Gon River.
13. Their parents are anxious about their children. The children come home late.
=>Their parents are anxious about their children who come home late.
14. Mr. Phong hasn’t come yet. He is supposed to be at the meeting.
=>Mr.Phong who is supposed to be at the meeting hasn't come yet
15. Lan went back home. She forgot to turn off the faucet.
=>Lan who forgot to turn off the faucet went back home.