765. What is meant by a "serious reason" for missing Mass?
766. What excuse do some give for not hearing Mass?
767. Why is it wrong to come late for Mass?
768. On what day do we keep a saint's feast?
769. What is the "divine office"?
770. How is it divided?
771. Who are excused from fasting?
772. Who are obliged to abstain from flesh-meat on fast-days and days of
abstinence?
773. Is every fast-day a day of abstinence?