based on 4F ex.3
Correct the sentences. Use the words: discovered, research, electric, engine, download, affected.

1. His car
   [ ] wouldn't start, so he had to take the bus to work.
2. Isaac Newton
   [ ] gravity when an apple fell on his head.
3. The Internet has
   [ ] the way people communicate with each other.
4. According to recent
   [ ], more and more people are doing their shopping online.
5. You should
   [ ] an anti-virus programme from the Internet so that you can protect your computer.
6. Grandma often uses an
   [ ] blanket to keep warm at night.

Sources:

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