听下面一段对话.回答第18-20题. 18．Why did the speaker fly to New York? A．To see a doctor. B．For business. C．On a tour. 19．Whom did he meet on the street one day? A．A secretary. B．Mr. Smith. C．A stranger． 20．What did the message say? A．Mr. Smith was out of town． B．The secretary would call me． C．Mr. Smith would see me soon． 【查看更多】
