Lucy does many things on Saturday. She visits the doctor at 9:15. At 11:30, she goes to the library. She takes the cat to the vet at 14:15. She has music class at 16:45. She visits John in the hospital at 18:15. She goes to Dad's birthday party at 19:30. She writes her diary at 10:00. Oh, what a busy(忙碌) day!