题目内容：
The phone rang all afternoon.A. in regular interval
B. in regular intervals
C. at regular interval
D.at regular intervals
参考答案：
选择题：The phone rang all afternoon.
- 题目分类：石家庄职业技术学院-会计学-公共英语_2
- 题目类型：选择题
- 查看权限：VIP
A. in regular interval
B. in regular intervals
C. at regular interval
D.at regular intervals