根据对话的语境和首字母提示，补全对话，使对话内容完整

A:You said your brother was coming. Didn't you go and m____1___him?

B:I did. But he was not here. He m____2____have missed the train. That means he's got to stay out and wait t____3____tomorrow.

A:How awful!  But take it easy. He will surely make it. He's a s___4___guy,isn't he?