题目内容：
A map of the whole underground system can be found in ___.( )(本题2.5分)A、 in every station
B、 every train
C、 some train cars
D、 some ticket officers
参考答案：
选择题：A map of the whole underground system can be found
- 题目分类：西安石油大学-石油工程技术-大学英语l(下）
- 题目类型：选择题
- 查看权限：VIP
A、 in every station
B、 every train
C、 some train cars
D、 some ticket officers