雾天行驶，能见度在5米以内时，应当（）。

根据下面对话情景，在每个空白处填上一个句子，使对话的意思连贯，完整。                  
根据对话的情景，从方框中选择适当的句子填在画线处，使对话完整通顺。
A: Good morning, Zhou Jun.   小题1:
B: I usually come to school on foot.
A:   小题2:
B: Six. I have four classes in the morning and two classes in the afternoon.
A:   小题3: 
B: My favorite sport is basketball.
A:   小题4: 
B: Because it’s very exciting(令人兴奋的).
A:   小题5: 
B: Mr. Zhao. Look! He is playing basketball there.
A: Nice talking to you. Thank you.

A. How many lessons do you have on weekdays? B. Why do you like it? C. Who is your P. E. teacher? D. How do you usually come to school? E. What’s your favorite sport?