Ответ:

Решение:

  1. I'm going to talk about...
  2. Let me explain
  3. For example,
  4. First,
  5. Secondly,
  6. What's more,
  7. It's that...
  8. Another thing is that...
  9. Finally,
  10. Last but not least,
  11. In conclusion,
  12. To sum up,