填空题
You will hear five people talking about their first day at work. For questions 9-13, choose from the list A~F what each speaker says. Use the letters only once. There is one extra letter which you do not need to use.A I was locked inside the office all night.B I was late and was mistaken by an older teacher.C I missed the bus because I could not find my keys.D I typed the notes and later was called to see the boss.E I scolded a man and then found out he was the boss. F I made a silly mistake and it enraged the boss.