HE____________IN THIS SCHOOL BEFORE HE ____________FOR ENGLANDA. HA...
18.
He____________in this school before he ____________for England
A. has taught /left
B. taught /had left
C. taught /has left
D. had taught /left
18.
He____________in this school before he ____________for England
A. has taught /left
B. taught /had left
C. taught /has left
D. had taught /left