–AreyougoingtoShanghaibybus?  --Iamnotsure.It’scheap,bu...

问题详情：

–Are you going to Shanghai by bus?

   --I am not sure. It’s cheap, but uncomfortable. I _____ take a train.

   A. may         B. must             C. can              D. should

【回答】

A

知识点：情态动词

题型：选择题