Choose the most suitable word to fill each space

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1. A hundred years ago, most people travelled ______ foot, by train, pr on horseback.
1. By
2. On
3. With
4. To
2. ______ had made it possible to travel rapidly over long distances.
1. Tracks
2. Lines
3. Ways
4. Railways
3. Bicycles were also becoming ______after the invention of the air-filled tire.
1. Popular
2. Invented
3. Then
4. Handlebars
4. Buses, trams and ______railways had already been invented.
1. Metro
2. Buried
3. Underground
4. Submerged
5. Cities all over the world had traffic ______.
1. Blocks
2. Sticks
3. Knots
4. Jams
6. There were very few private cars, and city ______ were still full of horses.
1. Streets
2. Pavements
3. Lawns
4. Carts
7. What a difference a hundred years have ______!
1. Taken
2. Done
3. Made
4. Got
8. ______ we have got used to the problem of private cars.
1. Presently
2. Nowadays
3. Then
4. later
9. Some cities are so noisy and ______.
1. Even
2. Polluted
3. So
4. Poisoned
10. In many places ______ have been banned from the city centre.
1. Vehicles
2. Traffic
3. Transport
4. Trips
11. Perhaps ______ then there will be only personal helicopters.
1. Cars
2. By
3. Even
4. Transport
12. There may be no need to ______ to work or school in the future, since everyone will have a computer at home.
1. Have
2. Transport
3. Decide
4. Commute
13. There might even be more people walking and horse-riding, for pleasure and ______.
1. Exercise
2. Keep fit
3. Energy
4. healthy