Ответ:

  1. More than eight billion people live on Earth.
  2. I go online and use Facebook every day.
  3. The police are looking for that man. He is a criminal.
  4. I don't like to talk on the phone. I like to talk with people face to face.
  5. I don't trust this email. I think it's a scam.
  6. Thomas couldn't finish his homework. His computer couldn't stay connected you.
  7. Don't be late for work or your boss might fire you.
  8. It is common nowadays for people to have a cell phone.