A:What are you studying all day long for ? It ' s summer vacation ! B: I know ! I hate it ! But I ' m taking this crash course in math . A: Why ? B: I have to take my exams for getting into the university , so I need to prepare . A: Do you think it will help ? B: It has to ! I ' Ve been studying every day , <MASK> a day ! I don ' t know , but the school has a great success record . A: Hmm ... Maybe I should sign up too . B: I ' ll pick up an application form for you at school tomorrow .
eight hours five minutes twenty four hours