He teaches English in middle school短语改错___________
问题描述:
He teaches English in middle school
短语改错
___________
答
He teaches English in a middle school
He teaches English in the middle school
答
in 改为 at
答
He teaches English in a middle school
a表示泛指,他在一个中学教英语.
答
He teaches English in the middle school.