题目内容：
He is always very active in student activities.
参考答案：
答案解析：
选择题：He is always very active in student activities.
- 题目分类： 大学英语B级
- 题目类型：选择题
- 查看权限：VIP
He is always making excuses for being late.
He is always making excuses for being late.
In the United States a lot of college students do not live at home.
In the United States a lot of college students do not live at home.
It is certain that we shall produce this kind of engine.
It is certain that we shall produce this kind of engine.
It's always a pleasure to see many friends here in London.
It's always a pleasure to see many friends here in London.
It was a hard job, but he did not mind.
It was a hard job, but he did not mind.