— 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 |
— 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 |