— Have you ever worked with a tape recorder?— I it a lot when I was studying French in sc

问题补充：

— Have you ever worked with a tape recorder?

— I it a lot when I was studying French in school.

A. used

B. was used

C. have used

D. had used

答案：

(答案→)A. used

B. was used

C. have used

D. had used

解析：句意为：“我在学校学法语期间，经常使用录音机”。指过去经常发生的动作，当然用一般过去时。