题目内容：
Why is there an extra cost of 50 cents for a tourist ticket?For the tourist to keep the ticket as___________________________________________________________．
参考答案：
答案解析：
填空题：Why is there an extra cost of 50 cents for a tourist ticket?
- 题目分类：英语三级A级
- 题目类型：填空题
- 查看权限：VIP
For the tourist to keep the ticket as___________________________________________________________．