Ответ:

  1. When did you hear about Jim’s party?
  2. No one has heard from him for a week.
  3. He said he had lost his wallet.
  4. He said that lions belonged to the cat family.
  5. She was afraid she would be late for her flight.
  6. She cut herself while she was making salad.
  7. I expect her to make potato salad.
  8. Who makes potato salad? — We do.
  9. He stood up and tidied the room.
  10. What is Jonathan doing at the moment? — He is studying the map.
  11. He has been studying maps all morning.
  12. He has already studied various maps of the area.
  13. Sir Alexander Fleming discovered penicillin.
  14. Penicillin was discovered by Sir Alexander Fleming.
  15. If I am free tomorrow, I will go to the swimming pool.
  16. I wonder if I will be free tomorrow.
  17. I was walking in the park when suddenly the wind blew off my hat.