问题
选择题
If you go by ________ train，you can have quite a comfortable journey，but make sure you get ________ fast one.
A．/；/
B．/；a
C．the；a
D．/；/
答案
答案：B
by train乘火车，by在接交通工具类的同时，一般不接冠词，如by bike，by ship；根据句意第二个空应该是泛指。