JOHN ___________ ALONG THE STREET WHEN HE_____________ TO SEE MARY...
19. John ___________ along the street when he_____________ to see Mary.
A. is walking - happened
B. was walking - happened
C. has walked - was happening
D. walks - has happened
19. John ___________ along the street when he_____________ to see Mary.
A. is walking - happened
B. was walking - happened
C. has walked - was happening
D. walks - has happened