Our teacher Mr. Zhang has taught English ten years ago.A. sinceB. forC. inD. of

问题补充：

Our teacher, Mr. Zhang, has taught English ten years ago.

A. since

B. for

C. in

D. of

答案：

(答案→)A. since

B. for

C. in

D. of

解析：句意：我们的老师，张老师，自从前就教授英语。A. since自从，B. for为了；C. in在……里；D. of. ……的；since+表示过去时的时间短语做状语时，主句用现在完成时，故选A。