题目内容：
He didn't understand what the teacher said.
参考答案：
答案解析：
选择题：He didn't understand what the teacher said.
- 题目分类： 大学英语B级
- 题目类型：选择题
- 号外号外：注册会员即送体验阅读点！
From the East coast to the West it is about 3,000 miles wide.
From the East coast to the West it is about 3,000 miles wide.
Fires may do more damage than the earthquake.
Fires may do more damage than the earthquake.
Could you tell me where the post office is?
Could you tell me where the post office is?
Can you finish your work in time?
Can you finish your work in time?
Before leaving the classroom, please turn off the lights.
Before leaving the classroom, please turn off the lights.