题目内容：
First of all, we need to identify actual and ____problems.A)
potential
B)
beneficial
C)
influential
D)
practical
参考答案：
选择题：First of all, we need to identify actual and ____p
- 题目分类：华北水利水电大学-水利水电建筑工程-大学英语2
- 题目类型：选择题
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A)
potential
B)
beneficial
C)
influential
D)
practical