阅读短文，选择正确答案。
Mr Green: Morning, Mr Wu! You're walking today. Do you usually go to school by bike?
Mr Wu: Yes, I do. But I sometimes walk. I like walking.
Mr Green: Walking is good. It's a fine day for walking today.
Mr Wu: That's right. Today is a sunny day. What about you? Do you often come to school by bike?
Mr Green: Yes, but not today.
Mr Wu: Why not?
Mr Green: My bike is broken.
Mr Wu: Broken? Oh, I see!
1. How many people are talking in this dialogue (对话) ?[ ]
A. Two.
B. Three.
C. Four.
2. Where do you think this dialogue may happen (发生) ?[ ]
A. At home.
B. At school.
C. In the park.
3. When do you think this dialogue happen?[ ]
A. In the morning.
B. In the afternoon
C. In the evening.
4. What's the weather like today?[ ]
A. Rainy.
B. Sunny.
C. Cold.
5. Why doesn't Mr Green go to school by bike today?[ ]
A. His bike is broken.
B. His leg is broken.
C. The weather is not good.
