问题描述：
most people prefer999999999
most people prefer to travel on____train,because you can have a comfortable journey.but make sure you get ___fast one.
A the the B a the C the a D/ a
选C
most people prefer to travel on____train,because you can have a comfortable journey.but make sure you get ___fast one.
A the the B a the C the a D/ a
选C
问题解答：
我来补答展开全文阅读