题目内容：
He has been learning English for years.
参考答案：
答案解析：
选择题：He has been learning English for years.
- 题目分类： 大学英语B级
- 题目类型：选择题
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Their parents don’ t know them as well as their friends do.
Their parents don’ t know them as well as their friends do.
One can never succeed without enough confidence in himself.
One can never succeed without enough confidence in himself.
Fm very much eager to improve my oral English.
Fm very much eager to improve my oral English.
I take a walk in the early morning every day.
I take a walk in the early morning every day.
He didn’t understand what the teacher said.
He didn’t understand what the teacher said.