题目内容：
For all the data accumulated over the months, the report based on them is exceptionally __________ in its style and grammar; the __________ efforts have not paid off.
参考答案：
答案解析：
单选题：For all the data accumulated over the months, the report bas
- 题目分类：GRE
- 题目类型：单选题
- 查看权限：VIP