单项选择题

[听力原文] 6-7
M: What did you say
W: I said that it’s a lovely day. Why don’t we go for a walk
M: Can you wait a few minutes I have to finish this letter.
W: Don’t take too long.
M: It won’t be long. No more than ten minutes. Why don’t you go on ahead and I’ll meet you in the park.
W: That sounds good.

Why can’t the boy go with his friend（）

点击查看答案&解析