Ответ:

  1. She gets up at eight o’clock.
  2. She never goes to school on Sundays.
  3. She sometimes visits her cousins in July.
  4. She sometimes goes to bed at half past nine.
  5. She always has a shower on Saturdays.
  6. She never wears a coat in August.

Ответ: 1) at; 2) on; 3) in; 4) at; 5) on; 6) in.