SHE ... TAUGHT IN THIS SECONDARY SCHOOL ... TEN YEARS.A) HAS/ABOUT...
23. She ... taught in this secondary school ... ten years.
A) has/about
B) have/about
C) has/for
D) had/about
23. She ... taught in this secondary school ... ten years.
A) has/about
B) have/about
C) has/for
D) had/about