There is ___ book on the shelf ,would you please get ___ book for_英语解答

There is ___ book on the shelf ,would you please get ___ book for me
填a,the还是the,the,请说明理由,

人气：149 ℃　时间：2019-11-11 19:24:44

解答

前者泛指存在一本书有一本书
后者特指专指给我拿架子上的那本
a,the