--- Is your father a teacher of English in No. l Middle School?
--- No. But he English there for ten years.
A. has taught
B. has been teaching
C. taught
D. had taught
网友回答
A. has taught
B. has been teaching
(答案→)C. taught
D. had taught
解析：句意：--你爸爸是第一中学的英语老师吗？--不，但是他在那里教了10年。从回答“No”，可知第一个人的爸爸现在不是第一中学的老师，所以在那里教10年是过去的10年，所以用一般过去式，选C。