Ответ:

  1. Tom usually plays tennis after school.
  2. Jerry is eating a banana now.
  3. We always go to the park on Sundays.
  4. Look! Tom is running after Jerry.
  5. My sister is drawing a picture at the moment.
  6. Cats sleep a lot.
  7. I am reading a book right now.
  8. He often helps his friends.
  9. They are listening to music now.
  10. It is raining today.

Формы выбраны по временным маркерам: usually, always, often и общему факту требуют Present Simple; now, look!, at the moment и today — Present Continuous.