题目内容：
They agreed to ____ their policy.
A)
clarify
B)
modify
C)
define
D)
defeat
参考答案：
选择题：They agreed to ____ their policy.
- 题目分类：华北水利水电大学-水利水电工程-大学英语（3）
- 题目类型：选择题
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They agreed to ____ their policy.
A)
clarify
B)
modify
C)
define
D)
defeat