https://online2.tingclass.net/lesson/shi0529/0008/8490/137.mp3
https://image.tingclass.net/statics/js/2012
17. If you want to know the train schedule, please ______ at the booking office.
A. acquire B. inquire C. request D. require
acquire 获得
require 要求，请求，命令
inquire 询问，盘问，追究
request 要求
