Ответ:

  1. What time does the meeting end?
  2. Tomorrow I am flying to Moscow to visit my aunt Sally.
  3. Right now he is talking on the phone.
  4. The Earth goes round the Sun.
  5. I have been looking for my camera for an hour.
  6. Could you close the window? I am freezing.
  7. The man has been painting the walls all day long.
  8. The coffee smells good.
  9. At the moment we are taking a walk around a beautiful village.
  10. We haven’t finished our history project yet.
  11. Kim has never been abroad.
  12. School always closes for Easter holidays.
  13. I’m exhausted. I have been training my stomach muscles all morning.
  14. What do you usually do in your free time?
  15. Look! Your mum is watering tomatoes in the vegetable garden.

Правило: Present Simple употребляется для фактов, привычек и расписаний; Present Continuous — для действий, происходящих сейчас или запланированных; Present Perfect — для завершённых действий с результатом в настоящем; Present Perfect Continuous — для действий, продолжающихся определённое время.