Ответ:

  1. The friends had five lessons last Friday.
  2. Last year she taught us Nature Studies. Her lessons were very interesting.
  3. Helen told us about her new classmate.
  4. Last year Egor’s English was poor. But now he speaks English very well.
  5. It was warm and sunny yesterday. We went for a walk in the park.
  6. Yesterday, Sveta invited her friends to the birthday party.