Each sentence has ONE mistake. Find and correct it

Part 5: Each sentence has ONE mistake. Find and correct it.

1. Your bicycle is blue and mine bicycle is red

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2. In 2050, the world's population will grew to 9 billion.

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3. Friday night, a friend of our from college came up to see us.

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4. Do we travel in driverless and high-speed cars in the future?

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5. Solar power is by far the more popular renewable energy source.

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6. Their car runs on petrol but my runs on solar energy.

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7. The Tower of London is the historic castle on the River Thames.

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8. There are more opportunities to find jobs in Hong Kong as in Bangkok. 

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9.One of the ways you can save energy in your home are to use energy saving light bulbs

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10. People from the countryside move to city to find work and a better standard of living.

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Part 6: Rearrange the words or phrases to make complete sentences.

1. driverless cars / We / will have / in 2030 /.

→ 

2. cross / You / crossing / the / at / the / road / should / zebra