题目内容：
Some kinds of birds which were once a(n)______ sight are now becoming rare.A)
cheery
B)
common
C)
often
D)
ordinary
参考答案：
选择题：Some kinds of birds which were once a(n)______ sig
- 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
- 查看权限：VIP
A)
cheery
B)
common
C)
often
D)
ordinary