题目内容：
Many people don’t usually think much about what happens to their old fridge when they u_ _ _ _ _(更新) to the latest model.
参考答案：
选择题：Many people don’t usually think much about what ha
- 题目分类：国家开放大学-开放英语4
- 题目类型：选择题
- 查看权限：VIP
(更新) to the latest model.