听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。
1．How is David going to the park?
A. On foot. B. By bus. C. By bike.
2. What will the man while the woman is away?
A. Clean the house. B. Buy some plants. C. Water the plants.
3. What is the man’s favorite free-time activity?
A. Going fishing. B. Playing chess. C. Listening to music.
4. How long will the man wait at the airport?
A. Forty-five minutes. B. Fifteen minutes. C. Half an hour.
