题目内容：
17___________
参考答案：
答案解析：
单选题：17___________
- 题目分类：中级
- 题目类型：单选题
- 查看权限：VIP
The agency then developed a campaign that focused on travel
The agency then developed a campaign that focused on travel experiences such asf
回答第22题。
回答第22题。
Section Two·You will hear another five short pieces． ·For ea
Section Two·You will hear another five short pieces． ·For each piece decide wh
(17)__________
(17)__________
回答第14题。
回答第14题。