I ____ in the street when I met an old f
题型:选择题
问题:
I ____ in the street when I met an old friend of mine the other day.
A.walked
B.was walking
C.has walked
D.had walked
I ____ in the street when I met an old friend of mine the other day.
A.walked
B.was walking
C.has walked
D.had walked