today i'd like to go to work A.take a train B.by a train C.on train D.bytrain为什么要选d求原因
问题描述：
today i'd like to go to work A.take a train B.by a train C.on train D.bytrain为什么要选d求原因
答
D
by +交通工具‘固定用法,乘……’,排除B与C ,而原句中已有谓语动词,不能选A
加油!不明白再问!