问题补充:
— You seem familiar with Mr. John?
—Of course, we together for three years in the 1990s.
A. have worked
B. were working
C. are working
D. worked
答案:
A. have worked
B. were working
C. are working
(答案→)D. worked
解析:句意:你似乎和约翰先生很熟悉?——当然了,在九十年代我们在一起工作了3年。结合语境可知本句描述的是过去某时的动作,故用一般过去时态。选D。