题目内容：
To our surprise, the stranger ______ to be an old friend of my mother's.
A. turned out B. turned up C. set out D. set up
参考答案：
答案解析：
选择题：To our surprise, the stranger ______ to be an old friend of my mother's.
- 题目分类： 职业能力测验
- 题目类型：选择题
- 查看权限：VIP