You will hear 8 short conversations. After each conversation, there will be a recorded question. After each question, there will be a pause of 10 seconds. The conversations and questions will be spoken twice. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D.[音频]
At 8:00.
B. At 7:00.
C. At 7:30.
D. At 6:30.